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

Question: Which opponent has a record of 3–1?
SQL: SELECT "opponent" FROM "mixed_martial_arts_record" WHERE "record"='3–1';

Question: What event has a Record of 4–2?
SQL: SELECT "event" FROM "mixed_martial_arts_record" WHERE "record"='4–2';

Question: Which Opponent has a Time of 0:38?
SQL: SELECT "opponent" FROM "mixed_martial_arts_record" WHERE "time"='0:38';