CREATE TABLE table_52509 ("MLB season" TEXT, "Team season" TEXT, "League" TEXT, "Division" TEXT, "Finish" TEXT, "Wins" TEXT, "Losses" TEXT, "Win %" TEXT)

What was the final rank of the Brewers in 1980?
SELECT "Finish" FROM table_52509 WHERE "Team season" = '1980'
SELECT "Finish" FROM "table_52509" WHERE "Team season" = '1980'