Question: who was the first woman to became the prime minister of a country
[{'answer': 'Sirima Ratwatte Dias Bandaranaike', 'provenance': [{'wikipedia_id': '436261', 'title': 'Sirimavo Bandaranaike', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 33, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '436261', 'title': 'Sirimavo Bandaranaike', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 313, 'bleu_score': 0.5959797200051811, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 1876587665842222340}, 'section': 'Section::::Abstract.'}]}]