Table: nhl_game_stats_6
Columns: date
visitor
score
home
record

Question: Which home had a record of 2-4?
SQL: SELECT "home" FROM nhl_game_stats_6 WHERE "record" = '2-4'

Question: Who was the visitor for Chicago Black Hawks on May 6?
SQL: SELECT "visitor" FROM nhl_game_stats_6 WHERE "home" = 'chicago black hawks' AND "date" = 'may 6'

Question: What day was the visitor Chicago Black Hawks and the record 0-2?
SQL: SELECT "date" FROM nhl_game_stats_6 WHERE "visitor" = 'chicago black hawks' AND "record" = '0-2'