CREATE TABLE table_204_71 (id NUMBER, "rank" NUMBER, "heat" NUMBER, "name" CLOB, "nationality" CLOB, "time" CLOB, "notes" CLOB)

how many women clocked less than 13 secs the women 's heat of 100m hurdles ?
SELECT COUNT("name") FROM table_204_71 WHERE "time" < 13
SELECT COUNT("name") FROM "table_204_71" WHERE "time" < 13