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

Question: What is the total number of Rounds held in Nevada, United States in which the time was 1:55?
SQL: SELECT COUNT("round") FROM "mixed_martial_arts_record" WHERE "location"='nevada, united states' AND "time"='1:55';

Question: What was the time when his opponent was Rudy Martin?
SQL: SELECT "time" FROM "mixed_martial_arts_record" WHERE "opponent"='rudy martin';

Question: What was the method when the fight's time was 1:52?
SQL: SELECT "method" FROM "mixed_martial_arts_record" WHERE "time"='1:52';