what are all the location where date is 5 april
CREATE TABLE "grands_prix" (
  "round" real,
  "grand_prix" text,
  "date" text,
  "location" text,
  "pole_position" text,
  "fastest_lap" text,
  "winning_driver" text,
  "winning_constructor" text,
  "report" text
);
SELECT "location" FROM "grands_prix" WHERE "date"='5 April';