what is the race when the jockey is frankie dettori, the margin is more than 3 and the course is yarmouth?
CREATE TABLE "race_record" (
  "race" text,
  "dist_f" real,
  "course" text,
  "runners" real,
  "placing" real,
  "margin" real,
  "jockey" text,
  "trainer" text
);
SELECT "race" FROM "race_record" WHERE "jockey"='frankie dettori' AND "margin">3 AND "course"='yarmouth';