How many Haileybury Hockey Club goalies became a hall of famer?
hall of famers refers to hofID where playerID is not NULL;
SELECT COUNT(DISTINCT T1.playerID) FROM Goalies AS T1 INNER JOIN Master AS T2 ON T1.playerID = T2.playerID INNER JOIN Teams AS T3 ON T1.tmID = T3.tmID AND T1.year = T3.year WHERE T3.name = 'Haileybury Hockey Club' AND T2.hofID IS NOT NULL