Question: who proposes to elizabeth in pride and prejudice
[{'answer': 'Mr William Collins', 'provenance': [{'wikipedia_id': '33667105', 'title': 'Mr William Collins', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 18, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '33667105', 'title': 'Mr William Collins', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 530, 'bleu_score': 0.7526339475565721, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17955290514437985513}, 'section': 'Section::::Abstract.'}]}]