Table schema:
CREATE TABLE table_name_33 (winner VARCHAR, result VARCHAR, loser VARCHAR, location VARCHAR)

Question: Who is the Winner, when the Loser is the Baltimore Colts, when the Location is Schaefer Stadium, and when the Result is 42-3?
SQL: SELECT winner FROM table_name_33 WHERE loser = "baltimore colts" AND location = "schaefer stadium" AND result = "42-3"