who is associated with the musical artists from eugene mcguinness and eugene mcguinness ?
SELECT DISTINCT var_uri where brack_open var_uri dbo_associatedMusicalArtist dbr_Eugene_McGuinness sep_dot var_uri dbo_associatedMusicalArtist dbr_Eugene_McGuinness sep_dot var_uri a dbo_MusicalArtist brack_close