Question: who played the role of gollum in lord of the rings
[{'answer': 'Andrew Clement Serkis', 'provenance': [{'wikipedia_id': '402784', 'title': 'Andy Serkis', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 21, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '402784', 'title': 'Andy Serkis', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 649, 'bleu_score': 0.6641164479234111, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 1062487243768522636}, 'section': 'Section::::Abstract.'}]}]