who developed the video game we wish you a merry christmas ?
select distinct var_uri where brack_open dbr_We_Wish_You_a_Merry_Christmas_ attr_open video_game attr_close dbo_developer var_uri sep_dot dbr_We_Wish_You_a_Merry_Christmas_ attr_open video_game attr_close rdf_type dbo_VideoGame brack_close