CREATE TABLE table_name_83 (date VARCHAR2, score VARCHAR2, game VARCHAR2, opponent VARCHAR2)

Which Date has a Game smaller than 4, and an Opponent of calgary flames, and a Score of 4 5?
SELECT date FROM table_name_83 WHERE game < 4 AND opponent = "calgary flames" AND score = "4–5"
SELECT "date" FROM "table_name_83" WHERE "4–5" = "score" AND "calgary flames" = "opponent" AND "game" < 4