Table: big_brother_shows
Columns: series
monday
tuesday
thursday
saturday

Question: Which Tuesday does big brother 12 air?
SQL: SELECT "tuesday" FROM big_brother_shows WHERE "series" = 'big brother 12'

Question: Which series airs Saturday on Channel 5?
SQL: SELECT "series" FROM big_brother_shows WHERE "saturday" = 'channel 5'

Question: Which Thursday does big brother 13 air?
SQL: SELECT "thursday" FROM big_brother_shows WHERE "series" = 'big brother 13'