Question: who was president of the usa in 2000
[{'answer': 'George W. Bush', 'provenance': [{'wikipedia_id': '32009', 'title': '2000 United States presidential election', 'start_paragraph_id': 1, 'start_character': 175, 'end_paragraph_id': 1, 'end_character': 189, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '32009', 'title': '2000 United States presidential election', 'start_paragraph_id': 1, 'start_character': 9, 'end_paragraph_id': 1, 'end_character': 462, 'bleu_score': 0.8541086191020051, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 10583037016202135041}, 'section': 'Section::::Abstract.'}]}]