Question: Who is the oldest player that participated in OHL league in the 1997 - 2000 season?
SQL: SELECT T1.PlayerName FROM PlayerInfo AS T1 INNER JOIN SeasonStatus AS T2 ON T1.ELITEID = T2.ELITEID WHERE T2.LEAGUE = 'OHL' AND T2.SEASON = '1999-2000' ORDER BY T1.birthdate LIMIT 1