Question: how many flags are around the base of the washington monument
[{'answer': 'Fifty', 'provenance': [{'wikipedia_id': '167585', 'title': 'Washington Monument', 'start_paragraph_id': 4, 'start_character': 1021, 'end_paragraph_id': 4, 'end_character': 1026, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '167585', 'title': 'Washington Monument', 'start_paragraph_id': 4, 'start_character': 0, 'end_paragraph_id': 4, 'end_character': 1291, 'bleu_score': 0.9180847830338561, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 3145339363855760990}, 'section': 'Section::::Abstract.'}]}]