Who is the youngest player to have played during the 1997-1998 season for OHL League?
youngest player refers to MAX(birthdate); 1997-1998 season refers to SEASON = '1997-1998'; OHL league refers to LEAGUE = 'OHL';
SELECT DISTINCT T2.PlayerName FROM SeasonStatus AS T1 INNER JOIN PlayerInfo AS T2 ON T1.ELITEID = T2.ELITEID WHERE T1.SEASON = '1997-1998' AND T1.LEAGUE = 'OHL' ORDER BY T2.birthdate DESC LIMIT 1