Table: gauliga_football
Columns: year
winner
finalist
result
date
venue
attendance

Question: Who was the winner when the finalist was fsv frankfurt?
SQL: SELECT "winner" FROM gauliga_football WHERE "finalist" = 'fsv frankfurt'

Question: Who was the finalist when the winner was First Vienna FC?
SQL: SELECT "finalist" FROM gauliga_football WHERE "winner" = 'first vienna fc'