List all living goalies who have greater than 50% wins among all games played. State their last name and first name.
wins refers to W; all games played refers to GP;greater than 50% wins among all games played refers to DIVIDE(SUM(W),GP)*100>50
SELECT T1.firstName, T1.lastName FROM Master AS T1 INNER JOIN Goalies AS T2 ON T1.playerID = T2.playerID WHERE T1.deathYear IS NOT NULL GROUP BY T1.playerID HAVING CAST(SUM(T2.Min) AS REAL) / SUM(T2.GP) > 0.5