Question: who sang the song we've got tonight
[{'answer': 'Bob Seger', 'provenance': [{'wikipedia_id': '6067113', 'title': "We've Got Tonite", 'start_paragraph_id': 1, 'start_character': 49, 'end_paragraph_id': 1, 'end_character': 58, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]