Question: who has become the new prime minister of pakistan
[{'answer': 'Imran Khan', 'provenance': [{'wikipedia_id': '461896', 'title': 'Prime Minister of Pakistan', 'start_paragraph_id': 4, 'start_character': 0, 'end_paragraph_id': 4, 'end_character': 10, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '461896', 'title': 'Prime Minister of Pakistan', 'start_paragraph_id': 4, 'start_character': 0, 'end_paragraph_id': 4, 'end_character': 145, 'bleu_score': 0.9214109120166031, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15085085850199423953}, 'section': 'Section::::Abstract.'}]}]