CREATE TABLE table_204_20 (id NUMBER, "represent" CLOB, "contestant" CLOB, "age" NUMBER, "height" CLOB, "hometown" CLOB)

how many delegates are at most 20 years old ?
SELECT COUNT("contestant") FROM table_204_20 WHERE "age" <= 20
SELECT COUNT("contestant") FROM "table_204_20" WHERE "age" <= 20