Private Sub Worksheet_Change(ByVal Target As Range)
If Not Intersect(Target, Range("B:B")) Is Nothing Then
Application.EnableEvents = False
Target.Offset(0, 1).Value = Date
Application.EnableEvents = True
End If
If Target.Address(False, False) = "BW5" Then
If Target.Value = "" Then
Application.EnableEvents = False
Target.Value = "?"
Application.EnableEvents = True
End If
End If
End Sub