how to filter records based on a particular field

Please help i have my API . my APi has a table employees which has a filed called gender . Please help how can i filter this table records based on gender.

Code:

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Public Class EmployeesidController
        Inherits ApiController

        Public Function Getid(ByVal id As Integer) As Employee
            Dim dbContext As SCHOOLEntities = New EmployeeDBContext
            Return dbContext.Employees.Find(id)


        End Function
    End Class

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You use the Where method to filter when using LINQ to Entities or any LINQ provider.