Question: list of most oil producing countries in the world
[{'answer': 'Russia', 'provenance': [{'wikipedia_id': '17756493', 'title': 'List of countries by oil production', 'start_paragraph_id': 3, 'start_character': 69, 'end_paragraph_id': 3, 'end_character': 75, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Saudi Arabia', 'provenance': [{'wikipedia_id': '17756493', 'title': 'List of countries by oil production', 'start_paragraph_id': 3, 'start_character': 77, 'end_paragraph_id': 3, 'end_character': 89, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'United States', 'provenance': [{'wikipedia_id': '17756493', 'title': 'List of countries by oil production', 'start_paragraph_id': 3, 'start_character': 99, 'end_paragraph_id': 3, 'end_character': 112, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Iraq'}, {'answer': 'Iran'}, {'answer': 'China'}, {'answer': 'Canada'}, {'answer': 'United Arab Emirates'}, {'answer': 'Kuwait'}, {'answer': 'Brazil'}]