CREATE TABLE table_204_204 (id NUMBER, "rank" NUMBER, "heat" NUMBER, "country" CLOB, "cyclists" CLOB, "result" NUMBER, "notes" CLOB)

name the number of teams in the 6th heat .
SELECT COUNT(*) FROM table_204_204 WHERE "heat" = 6
SELECT COUNT(*) FROM "table_204_204" WHERE "heat" = 6