CREATE TABLE table_55424 ("Date" CLOB, "Opponent" CLOB, "Score" CLOB, "Loss" CLOB, "Attendance" CLOB, "Record" CLOB)

What was the loss of the Mariners game when they had a record of 21-34?
SELECT "Loss" FROM table_55424 WHERE "Record" = '21-34'
SELECT "Loss" FROM "table_55424" WHERE "Record" = '21-34'