CREATE TABLE table_45144 ("Res." CLOB, "Record" CLOB, "Opponent" CLOB, "Method" CLOB, "Event" CLOB, "Round" FLOAT, "Time" CLOB, "Location" CLOB)

How many rounds had a time of 5:00 at UFC 155?
SELECT COUNT("Round") FROM table_45144 WHERE "Time" = '5:00' AND "Event" = 'ufc 155'
SELECT COUNT("Round") FROM "table_45144" WHERE "Event" = 'ufc 155' AND "Time" = '5:00'