what is the number of hydroxymatairesinol where sesamin is 62724?
CREATE TABLE "food_sources" (
  "foodstuff" text,
  "pinoresinol" real,
  "syringaresinol" real,
  "sesamin" text,
  "lariciresinol" real,
  "secoisolariciresinol" real,
  "matairesinol" real,
  "hydroxymatairesinol" real
);
SELECT "hydroxymatairesinol" FROM "food_sources" WHERE "sesamin"='62724';