Database: hockey
Question: What is given name for player 'aebisda01'. Calculate the average time in minutes for the all his games played as goaltender.
SQL: SELECT T1.nameGiven, CAST(SUM(T2.Min) AS REAL) / SUM(T2.GP) FROM Master AS T1 INNER JOIN Goalies AS T2 ON T1.playerID = T2.playerID WHERE T1.playerID = 'aebisda01' GROUP BY T1.nameGiven