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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 query(self, query, interpolations=None):
 """ Queries a timeseries table. :param query: The timeseries query. :type query: string :rtype: :class:`TsObject <riak.ts_object.TsObject>` """

        return self._client.ts_query(self, query, interpolations)