Question: who played the oompa loompas in charlie and the chocolate factory
[{'answer': 'Deep Roy', 'provenance': [{'wikipedia_id': '2237030', 'title': 'Deep Roy', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 8, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]