Question: who were the first 10 presidents of united states
[{'answer': 'George Washington', 'provenance': [{'wikipedia_id': '19908980', 'title': 'List of Presidents of the United States', 'start_paragraph_id': 2, 'start_character': 86, 'end_paragraph_id': 2, 'end_character': 103, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'John Adams'}, {'answer': 'Thomas Jefferson', 'provenance': [{'wikipedia_id': '19908980', 'title': 'List of Presidents of the United States', 'start_paragraph_id': 5, 'start_character': 366, 'end_paragraph_id': 5, 'end_character': 382, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'James Madison'}, {'answer': 'James Monroe'}, {'answer': 'John Quincy Adams'}, {'answer': 'Andrew Jackson'}, {'answer': 'Martin Van Buren'}, {'answer': 'William Henry Harrison', 'provenance': [{'wikipedia_id': '19908980', 'title': 'List of Presidents of the United States', 'start_paragraph_id': 3, 'start_character': 18, 'end_paragraph_id': 3, 'end_character': 40, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'John Tyler', 'provenance': [{'wikipedia_id': '19908980', 'title': 'List of Presidents of the United States', 'start_paragraph_id': 4, 'start_character': 331, 'end_paragraph_id': 4, 'end_character': 341, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]