Among the players that weigh more than 90 kg, what is the name of the player that has the most attendance in the player's first 7 years of NHL career?
weigh more than 90 kg refers to weight_in_kg > 90; name of the player refers to PlayerName; most attendance in the player's first 7 years of NHL career refers to MAX(sum_7yr_GP);
SELECT T1.PlayerName FROM PlayerInfo AS T1 INNER JOIN weight_info AS T2 ON T1.weight = T2.weight_id WHERE T2.weight_in_kg > 90 AND T1.sum_7yr_GP = ( SELECT MAX(T1.sum_7yr_GP) FROM PlayerInfo AS T1 INNER JOIN weight_info AS T2 ON T1.weight = T2.weight_id WHERE T2.weight_in_kg > 90 )