Question: how many medals did jamaica win at the 2008 olympics
[{'answer': '5', 'provenance': [{'wikipedia_id': '18145006', 'title': 'Jamaica at the 2008 Summer Olympics', 'start_paragraph_id': 3, 'start_character': 333, 'end_paragraph_id': 3, 'end_character': 334, 'bleu_score': 1.0, 'section': 'Section::::Background.\n'}]}]