who is associated with the musical artists from kardinal offishall and drake ?
SELECT DISTINCT var_uri where brack_open var_uri dbo_associatedMusicalArtist dbr_Kardinal_Offishall sep_dot var_uri dbo_associatedMusicalArtist dbr_Drake_ attr_open rapper attr_close sep_dot var_uri a dbo_MusicalArtist brack_close