CREATE TABLE "mixed_martial_arts_record" (
  "res" text,
  "record" text,
  "opponent" text,
  "method" text,
  "event" text,
  "round" real,
  "time" text,
  "location" text
);

Question: How many rounds had a time of 5:00 at UFC 155?
SQL: SELECT COUNT("round") FROM "mixed_martial_arts_record" WHERE "time"='5:00' AND "event"='ufc 155';

Question: Which event had a time of 2:34?
SQL: SELECT "event" FROM "mixed_martial_arts_record" WHERE "time"='2:34';

Question: Who was the opponent in the bout that led to a win in a time of 1:21?
SQL: SELECT "opponent" FROM "mixed_martial_arts_record" WHERE "res"='win' AND "time"='1:21';