CREATE TABLE table_67154 ("Date" CLOB, "Opponent" CLOB, "Score" CLOB, "Loss" CLOB, "Attendance" FLOAT, "Record" CLOB)

When were the Brewers 27-31?
SELECT "Date" FROM table_67154 WHERE "Record" = '27-31'
SELECT "Date" FROM "table_67154" WHERE "Record" = '27-31'