Question: who said the greatest good for the greatest number
[{'answer': 'Peter Singer', 'provenance': [{'wikipedia_id': '31792', 'title': 'Utilitarianism', 'start_paragraph_id': 4, 'start_character': 271, 'end_paragraph_id': 4, 'end_character': 283, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '31792', 'title': 'Utilitarianism', 'start_paragraph_id': 149, 'start_character': 0, 'end_paragraph_id': 149, 'end_character': 1293, 'bleu_score': 0.990761877194105, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17623086290549168814}, 'section': 'Section::::Application to specific issues.:World poverty.\n'}]}]