Among the players who played in OHL league during the regular season in 2007-2008, who is the player that attained the most number of assist?
OHL league refers to LEAGUE = 'OHL'; who refers to PlayerName; regular season refers to GAMETYPE = 'Regular Season'; most number of assist refers to MAX(A); 2007-2008 season refers to SEASON = '2007-2008';
SELECT T2.PlayerName FROM SeasonStatus AS T1 INNER JOIN PlayerInfo AS T2 ON T1.ELITEID = T2.ELITEID WHERE T1.SEASON = '2007-2008' AND T1.LEAGUE = 'OHL' AND T1.GAMETYPE = 'Regular Season' ORDER BY T1.A DESC LIMIT 1