name the tv show whose network is m6 and is the subsequent work of highlander: the raven ?
SELECT DISTINCT var_uri where brack_open var_uri dbo_network dbr_M6_ attr_open TV_channel attr_close sep_dot var_uri dbo_subsequentWork dbr_Highlander:_The_Raven sep_dot var_uri a dbo_TelevisionShow brack_close