CREATE TABLE table_204_53 (id NUMBER, "date" CLOB, "result" CLOB, "opponent" CLOB, "event" CLOB, "location" CLOB, "method" CLOB, "round" NUMBER, "time" CLOB)

how many events lasted 3 rounds ?
SELECT COUNT("event") FROM table_204_53 WHERE "round" = 3
SELECT COUNT("event") FROM "table_204_53" WHERE "round" = 3