Question: how many seats imran khan won in election 2013
[{'answer': '35', 'provenance': [{'wikipedia_id': '34629668', 'title': '2013 Pakistani general election', 'start_paragraph_id': 7, 'start_character': 124, 'end_paragraph_id': 7, 'end_character': 126, 'bleu_score': 1.0, 'section': 'Section::::Background.\n'}]}]