CREATE TABLE table_1831262_2 (hydroxymatairesinol VARCHAR2, sesamin VARCHAR2)

what is the number of hydroxymatairesinol where sesamin is 62724?
SELECT hydroxymatairesinol FROM table_1831262_2 WHERE sesamin = "62724"
SELECT "hydroxymatairesinol" FROM "table_1831262_2" WHERE "62724" = "sesamin"