CREATE TABLE "season_review" (
  "grand_prix" text,
  "date" text,
  "location" text,
  "pole_position" text,
  "fastest_lap" text,
  "winning_driver" text,
  "constructor" text,
  "report" text
);

Question: When was the Austrian Grand Prix?
SQL: SELECT "date" FROM "season_review" WHERE "grand_prix"='austrian grand prix';