Who is the Winner, when the Loser is the Baltimore Colts, when the Location is Schaefer Stadium, and when the Result is 42-3?
CREATE TABLE "1970s_colts_11_9" (
  "year" real,
  "date" text,
  "winner" text,
  "result" text,
  "loser" text,
  "location" text
);
SELECT "winner" FROM "1970s_colts_11_9" WHERE "loser"='baltimore colts' AND "location"='schaefer stadium' AND "result"='42-3';