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 time of 1:50?
SQL: SELECT "opponent" FROM "mixed_martial_arts_record" WHERE "time"='1:50';

Question: Which opponent has a time of 2:35?
SQL: SELECT "opponent" FROM "mixed_martial_arts_record" WHERE "time"='2:35';

Question: What is the time when the opponent is stephanie palmer?
SQL: SELECT "time" FROM "mixed_martial_arts_record" WHERE "opponent"='stephanie palmer';