What Trainer had Jockey William Jenkins in a race with Time of 1:44.80?
CREATE TABLE "winners_of_the_federico_tesio_stakes" (
  "year" real,
  "winner" text,
  "jockey" text,
  "trainer" text,
  "owner" text,
  "distance_miles" text,
  "time" text,
  "purse" text
);
SELECT "trainer" FROM "winners_of_the_federico_tesio_stakes" WHERE "time"='1:44.80' AND "jockey"='william jenkins';