Question: who sings the last song in the movie rockstar
[{'answer': 'Trevor Rabin', 'provenance': [{'wikipedia_id': '1530223', 'title': 'Rock Star (2001 film)', 'start_paragraph_id': 36, 'start_character': 12, 'end_paragraph_id': 36, 'end_character': 24, 'bleu_score': 1.0, 'section': 'Section::::Soundtrack.\n'}]}]