Table:
text: 1983 IMSA GT Championship season
Schedule
Schedule
Race Length_ Class_ Circuit Date_
24 Hour Pepsi Challenge 24 Hours All Daytona International Speedway February 5 February 6
Budweiser Grand Prix of Miami 100km GTU Streets of Miami February 27
Budweiser Grand Prix of Miami 3 Hours GTP Streets of Miami February 27
Budweiser Grand Prix of Miami 100km GTO Streets of Miami February 27
Coca-Cola Classic 12 Hours of Sebring 12 Hours All Sebring International Raceway March 19
Road Atlanta Nissan / Datsun 500 500km All Road Atlanta April 10
Los Angeles Times / Datsun Grand Prix 6 Hours All Riverside International Raceway April 24

Question: What is the race in the 1983 IMSA GT Championship season, which is 12 hours long?

Question: What is the class of the classic Coca-Cola 12 Hour Sebring race in the 1983 IMSA GT Championship season?

Question: Which race of the 1983 IMSA GT championship season lasts 12 hours?