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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 _find_model(self, constructor, table_name, constraints=None, *, columns=None, order_by=None):
 """Calls DataAccess.find and passes the results to the given constructor."""

    data = self.find(table_name, constraints, columns=columns, order_by=order_by)
    return constructor(data) if data else None