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

Question: What is the date of the Mosport Park circuit?
SQL: SELECT "date" FROM "schedule" WHERE "circuit"='mosport park';

Question: What is the length of the Laguna Seca Raceway circuit with a class of gtu?
SQL: SELECT "length" FROM "schedule" WHERE "circuit"='laguna seca raceway' AND "class"='gtu';

Question: What is the class of the Charlotte Camel gt 500 race?
SQL: SELECT "class" FROM "schedule" WHERE "race"='charlotte camel gt 500';

Question: What is the length of the race on August 15?
SQL: SELECT "length" FROM "schedule" WHERE "date"='august 15';