Table: world_club_champ_4
Columns: date
result
score
stadium
city
crowd

Question: What was the date of game with a score of 42-6?
SQL: SELECT "date" FROM world_club_champ_4 WHERE "score" = '42-6'

Question: What stadium was the game played at when the result was hunter mariners def. sheffield eagles?
SQL: SELECT "stadium" FROM world_club_champ_4 WHERE "result" = 'hunter mariners def. sheffield eagles'

Question: What city has a Result of brisbane broncos def. halifax blue sox?
SQL: SELECT "city" FROM world_club_champ_4 WHERE "result" = 'brisbane broncos def. halifax blue sox'