Question: who did the detroit pistons beat in the nba finals
[{'answer': 'Los Angeles Lakers', 'provenance': [{'wikipedia_id': '2574856', 'title': '2004 NBA Finals', 'start_paragraph_id': 1, 'start_character': 140, 'end_paragraph_id': 1, 'end_character': 158, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]