Who had the most assists of team Plymouth Whalers in the 1999-2000 season?
who refers to PlayerName; most assists refers to MAX(A); team Plymouth Whalers refers to TEAM = 'Plymouth Whalers'; 1999-2000 season refers to SEASON = '1999-2000';
SELECT T1.PlayerName FROM PlayerInfo AS T1 INNER JOIN SeasonStatus AS T2 ON T1.ELITEID = T2.ELITEID WHERE T2.TEAM = 'Plymouth Whalers' AND T2.SEASON = '1999-2000' ORDER BY T2.A DESC LIMIT 1