Database: works_cycles
Question: How many vacation hours do the male employees have on average?
SQL: SELECT CAST(SUM(T1.VacationHours) AS REAL) / COUNT(T1.BusinessEntityID) FROM Employee AS T1 INNER JOIN Person AS T2 ON T1.BusinessEntityID = T2.BusinessEntityID WHERE T1.Gender = 'M' AND T2.PersonType = 'EM'