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

how many athletes from jamaica are represented in the results ?
SELECT COUNT("name") FROM table_204_71 WHERE "nationality" = 'jamaica'
SELECT COUNT("name") FROM "table_204_71" WHERE "nationality" = 'jamaica'