CREATE TABLE "schedule" (
  "race" text,
  "length" text,
  "class" text,
  "circuit" text,
  "date" text
);

Question: On what circuit is there a class gts-2 race that takes place on May 27?
SQL: SELECT "circuit" FROM "schedule" WHERE "date"='may 27' AND "class"='gts-2';

Question: On what circuit is there a race that lasts 2 hours?
SQL: SELECT "circuit" FROM "schedule" WHERE "length"='2 hours';

Question: What class is the dodge dealers grand prix?
SQL: SELECT "class" FROM "schedule" WHERE "race"='the dodge dealers grand prix';

Question: What is the length of the First Union six hours at the Glen?
SQL: SELECT "length" FROM "schedule" WHERE "race"='first union six hours at the glen';

Question: What is the class of the race that takes place on August 25?
SQL: SELECT "class" FROM "schedule" WHERE "date"='august 25';