For the goalies whose weight are above 190, who had most goal againsts in 1978 season?
Weight of above 190 refers to weight >190; 1978 season refers to the year played
SELECT T1.playerID FROM Goalies AS T1 INNER JOIN Master AS T2 ON T1.playerID = T2.playerID WHERE T1.year = '1978' AND T2.weight > 190 ORDER BY T1.GA DESC LIMIT 1