CREATE TABLE table_52511 ("MLB season" TEXT, "Team season" TEXT, "League" TEXT, "Division" TEXT, "Finish" TEXT, "Wins" TEXT, "Losses" TEXT, "Win %" TEXT)

Which division were the Brewers a part of in the 1987 season?
SELECT "Division" FROM table_52511 WHERE "Team season" = '1987'
SELECT "Division" FROM "table_52511" WHERE "Team season" = '1987'