Question: who played rum tum tugger in the movie cats
[{'answer': 'John Partridge', 'provenance': [{'wikipedia_id': '772562', 'title': 'Rum Tum Tugger', 'start_paragraph_id': 15, 'start_character': 28, 'end_paragraph_id': 15, 'end_character': 42, 'bleu_score': 1.0, 'section': 'Section::::Musical.:Notable casting.\n'}]}]