无法执行SQL语句：select sum(if(score_home > score_away,1,0)) w, sum(if(score_home < score_away, 1, 0)) l from game_out where season = '1985' and team_home = 'HOU' and team_away = 'DEN' and isseason = 0 and date(date_out) < '1986-04-26' ！