Table: hockey_game_2
Columns: date
visitor
score
home
record

Question: Which visitor has a record of 2-4?
SQL: SELECT "visitor" FROM hockey_game_2 WHERE "record" = '2-4'

Question: What is the record on April 28?
SQL: SELECT "record" FROM hockey_game_2 WHERE "date" = 'april 28'

Question: What is the score for the Chicago Black Hawks game with a record of 2-1?
SQL: SELECT "score" FROM hockey_game_2 WHERE "home" = 'chicago black hawks' AND "record" = '2-1'