CREATE TABLE table_78366 ("Date" CLOB, "Opponent" CLOB, "Score" CLOB, "Loss" CLOB, "Save" CLOB, "Attendance" CLOB, "Record" CLOB)

What was the score of the Mariners game when they had a record of 56 21?
SELECT "Score" FROM table_78366 WHERE "Record" = '56–21'
SELECT "Score" FROM "table_78366" WHERE "Record" = '56–21'