CREATE TABLE table_15690 ("Date" CLOB, "Score" CLOB, "Location" CLOB, "Competition" CLOB, "Serial No." CLOB)

A competition of test taking place on 23 Apr 1988 had what as a score?
SELECT "Score" FROM table_15690 WHERE "Competition" = 'test' AND "Date" = '23 apr 1988'
SELECT "Score" FROM "table_15690" WHERE "Competition" = 'test' AND "Date" = '23 apr 1988'