Question: who was elected to lead the montgomery bus boycott
[{'answer': 'King', 'provenance': [{'wikipedia_id': '151226', 'title': 'Montgomery bus boycott', 'start_paragraph_id': 1, 'start_character': 716, 'end_paragraph_id': 1, 'end_character': 720, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '151226', 'title': 'Montgomery bus boycott', 'start_paragraph_id': 24, 'start_character': 0, 'end_paragraph_id': 24, 'end_character': 1283, 'bleu_score': 0.9906757361591391, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 13114113730651657050}, 'section': 'Section::::History.:E. D. Nixon.\n'}]}]