Table: big_brother_portugal
Columns: no_1
no_2
no_3
no_4
no_5
no_6
no_7
no_8
no_9
no_10
final

Question: Who was number 3 that had a number 2 of Delfina and a Final of Pedro?
SQL: SELECT "no_3" FROM big_brother_portugal WHERE "no_2" = 'delfina' AND "final" = 'pedro'

Question: Who was number 9 that had a number 7 of Joana and a Final of Pedro?
SQL: SELECT "no_9" FROM big_brother_portugal WHERE "no_7" = 'joana' AND "final" = 'pedro'