Question: who is the leader of the federal ndp party
[{'answer': 'Tom Mulcair', 'provenance': [{'wikipedia_id': '33035634', 'title': '2017 New Democratic Party leadership election', 'start_paragraph_id': 1, 'start_character': 106, 'end_paragraph_id': 1, 'end_character': 117, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]