CREATE TABLE table_204_748 (id NUMBER, "composer" CLOB, "born" NUMBER, "died" NUMBER, "nationality" CLOB, "notable works for piano" CLOB, "remarks" CLOB)

were there more than 4 american composers listed ?
SELECT (SELECT COUNT(*) FROM table_204_748 WHERE "nationality" = 'american') > 4
WITH "_u_0" AS (SELECT COUNT(*), 'american' AS "_u_1" FROM "table_204_748" GROUP BY 'american') SELECT COALESCE("_u_0"."", *) > 4 LEFT JOIN "_u_0" "_u_0" ON "_u_0"."_u_1" = "nationality"