Table: imsa_race_data
Columns: race
length
class
circuit
date

Question: On which date was the Dodge Dealers Grand Prix GTS class race?
SQL: SELECT "date" FROM imsa_race_data WHERE "race" = 'dodge dealers grand prix' AND "class" = 'gts'

Question: Which race was on the Las Vegas Motor Speedway for 2 hours?
SQL: SELECT "race" FROM imsa_race_data WHERE "circuit" = 'las vegas motor speedway' AND "length" = '2 hours'

Question: Which class was on the Las Vegas Motor Speedway for 2 hours?
SQL: SELECT "class" FROM imsa_race_data WHERE "length" = '2 hours' AND "circuit" = 'las vegas motor speedway'

Question: What circuit was on June 1 with a class of both?
SQL: SELECT "circuit" FROM imsa_race_data WHERE "class" = 'both' AND "date" = 'june 1'

Question: Which date was a GTS class on the Mosport International Raceway?
SQL: SELECT "date" FROM imsa_race_data WHERE "class" = 'gts' AND "circuit" = 'mosport international raceway'