CREATE TABLE table_12715053_1 (molecular_target VARCHAR2, compound_name VARCHAR2)

What is the molecular target listed under the compounded name of hemiasterlin (e7974)
SELECT molecular_target FROM table_12715053_1 WHERE compound_name = "Hemiasterlin (E7974)"
SELECT "molecular_target" FROM "table_12715053_1" WHERE "Hemiasterlin (E7974)" = "compound_name"