CREATE TABLE "non_championship_race_results" (
  "race_name" text,
  "circuit" text,
  "date" text,
  "winning_driver" text,
  "constructor" text,
  "report" text
);

Question: What company constrcuted the vehicle with a circuit of oulton park on 15 april?
SQL: SELECT "constructor" FROM "non_championship_race_results" WHERE "circuit"='oulton park' AND "date"='15 april';

Question: What is the name of the race on 16 september?
SQL: SELECT "race_name" FROM "non_championship_race_results" WHERE "date"='16 september';

Question: What is the circuit held on 15 april?
SQL: SELECT "circuit" FROM "non_championship_race_results" WHERE "date"='15 april';

Question: What date was the xiv international gold cup?
SQL: SELECT "date" FROM "non_championship_race_results" WHERE "race_name"='xiv international gold cup';