which executive producer of yogi bear's all star comedy christmas caper is also an important person at metro-goldwyn-mayer cartoon studio ?
SELECT DISTINCT var_uri where brack_open dbr_Yogi_Bear's_All_Star_Comedy_Christmas_Caper dbo_executiveProducer var_uri sep_dot dbr_Metro-Goldwyn-Mayer_cartoon_studio dbo_keyPerson var_uri brack_close