Who has 6/1 odds?
CREATE TABLE "race_record" (
  "race" text,
  "dist_f" real,
  "course" text,
  "class" text,
  "prize_k" real,
  "odds" text,
  "runners" real,
  "placing" real,
  "margin" real,
  "time" text,
  "jockey" text,
  "trainer" text
);
SELECT "trainer" FROM "race_record" WHERE "odds"='6/1';