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 record when the opponent is jeff williams?
SQL: SELECT "record" FROM "mixed_martial_arts_record" WHERE "opponent"='jeff williams';

Question: what is the method for round 1 and the opponent is bobby mcmaster?
SQL: SELECT "method" FROM "mixed_martial_arts_record" WHERE "round"=1 AND "opponent"='bobby mcmaster';

Question: what is the location when the time is 3:15?
SQL: SELECT "location" FROM "mixed_martial_arts_record" WHERE "time"='3:15';

Question: what is the record when the round is before 3 and the time si 4:59?
SQL: SELECT "record" FROM "mixed_martial_arts_record" WHERE "round"<3 AND "time"='4:59';

Question: what is the record when the event is shido usa mma and the opponent is raphael assunção?
SQL: SELECT "record" FROM "mixed_martial_arts_record" WHERE "event"='shido usa mma' AND "opponent"='raphael assunção';