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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def get_owned_filters(self, server_id):
 """ Return the indication filters in a WBEM server owned by this subscription manager. This function accesses only the local list of owned filters; it does not contact the WBEM server. The local list of owned filters is discovered from the WBEM server when the server is registered with the the subscription manager, and is maintained from then on as changes happen through this subscription manager. Parameters: server_id (:term:`string`):
 The server ID of the WBEM server, returned by :meth:`~pywbem.WBEMSubscriptionManager.add_server`. Returns: :class:`py:list` of :class:`~pywbem.CIMInstance`: The indication filter instances. """


        # Validate server_id
        self._get_server(server_id)

        return list(self._owned_filters[server_id])