which executive producer of hulk and the agents of s . m . a . s . h . is also an important person at marvel productions ?
SELECT DISTINCT var_uri where brack_open dbr_Hulk_and_the_Agents_of_S.M.A.S.H sep_dot dbo_executiveProducer var_uri sep_dot dbr_Marvel_Productions dbo_keyPerson var_uri brack_close