Hamilton's second win in Sao Paulo was only possible after Force India's backmarker Esteban Ocon clashed with race leader Verstappen on lap 44, causing both cars to spin.
Chung said the GP would be funded by private enterprise headed by Vingroup, the country's largest private conglomerate.
At age 33, Hamilton can now make a run at something once previously unthinkable: The seven titles won by Germany's Michael Schumacher.
Hamilton will start third, knowing he can let the Red Bull cars go off and running while he coasts his Mercedes to the finish line.
Raikkonen's most previous win had been with Lotus at the season-opening Australian Grand Prix in 2013. He'd driven his Ferrari to three second-place finishes this season before Sunday's victory.
Hamilton leads Vettel by 67 points and any result Sunday that puts him eight or more points ahead of Vettel clinches the title.
If Hamilton wins Sunday, Vettel must finish second to push the championship another week to Mexico City.
Mick Schumacher won eight of the last 15 races in F3 this season and said this week he will announce his future race plans soon.
Starting from pole, the Mercedes driver was never seriously challenged and crossed the finish line 12.919 seconds ahead of teammate Valtteri Bottas.
Lewis Hamilton claimed pole position for the Japanese Grand Prix on Saturday, leading a 1-2 finish for Mercedes and taking a step closer to securing his fifth F1 title.
With five races to go, Hamilton would move a step closer to winning a fifth world championship with a win in Suzuka, a race he has dominated in recent years.
Hamilton now leads Ferrari's Sebastian Vettel by 50 points in the standings with five races remaining as both chase their fifth title.
Bottas was 0.145 ahead of Hamilton and 0.56 ahead of third-placed Sebastian Vettel, who is second in the standings, 40 points off Hamilton.
Hamilton was .199 seconds faster than Bottas in cool, overcast conditions, followed by the two Red Bulls of Max Verstappen and Daniel Ricciardo.
It's the second season in a row that Vettel has started strongly only for Hamilton to surge in the second half.
While the Formula 1 teams and drivers get all the attention, working tirelessly behind the scenes during every race is Tata's talented team on track and as well personnel back at its UK base.
It is looking increasingly like a repeat scenario for the Ferrari driver, who now has just six races left to catch Hamilton as they both bid for a fifth F1 title.
Vettel sat glum-faced in the news conference after qualifying third, trailing Hamilton by a sizeable margin in Formula One terms: 0.6 seconds.
Hamilton produced something special to set a blistering time and secure a record-extending 79th pole position in Formula One and a 200th for a British driver.
The 38-year-old Raikkonen, the 2007 Formula One champion, is being replaced next season by 20-year-old Charles Leclerc.
Top News
Latest News
