Question: Eileen Donoghue, is a Democratic member of the Massachusetts Senate, where she has represented the First Middlesex District since 2011, narrowly losing the Democratic primary to Niki Tsongas, an American politician and the current U.S. Representative for Massachusetts 's which numbered congressional district?
{'answer': '3', 'supporting_facts': [['Eileen Donoghue', 2], ['Niki Tsongas', 0]]}