how to tell which team scored last

snippet

self.team_gametypes = ["tdm", "ca", "ctf", "1f", "har", "ft", "dom", "ad", "rr"]
self.free_gametypes = ["ffa", "duel", "race"]

self.stored_score_red = 0
self.stored_score_blue = 0

def handle_round_end(self, *args, **kwargs):
        if self.game.type_short in self.team_gametypes:
            if self.game.red_score != self.stored_score_red:
                self.stored_score_red = self.game.red_score
                self.stop_sound()
                self.play_sound("q3_audio/vo/teamgame/red_scores.wav")
            elif self.game.blue_score != self.stored_score_blue:
                self.stored_score_blue = self.game.blue_score
                self.stop_sound()
                self.play_sound("q3_audio/vo/teamgame/blue_scores.wav")