Question: when did deion sanders play for the redskins
[{'answer': '2000', 'provenance': [{'wikipedia_id': '901141', 'title': 'Deion Sanders', 'start_paragraph_id': 29, 'start_character': 1197, 'end_paragraph_id': 29, 'end_character': 1201, 'bleu_score': 1.0, 'section': 'Section::::Professional football career.:Dallas Cowboys.\n'}]}]