What is Date and Time, when Competition is "Serie A", and when Result is "0-3"?
CREATE TABLE "matches" (
  "competition" text,
  "round" text,
  "date_and_time" text,
  "opponent_team" text,
  "result" text
);
SELECT "date_and_time" FROM "matches" WHERE "competition"='serie a' AND "result"='0-3';