Table: big_brother_2007_finland
Columns: week_1
week_2
week_6
week_9
week_12

Question: Who was the week 1 nomination when the week 2 nomination was Piia Jarkko?
SQL: SELECT "week_1" FROM big_brother_2007_finland WHERE "week_2" = 'piia jarkko'

Question: Who was the week 12 nomination when the week 9 nomination walked (day 11)?
SQL: SELECT "week_12" FROM big_brother_2007_finland WHERE "week_9" = 'walked (day 11)'

Question: What is the week 12 nomination that had a week 1 nomination of Maria Maxine and a week 2 nomination of Henri Satu?
SQL: SELECT "week_12" FROM big_brother_2007_finland WHERE "week_1" = 'maria maxine' AND "week_2" = 'henri satu'