Question: who played pippin in lord of the rings
[{'answer': 'Billy Boyd', 'provenance': [{'wikipedia_id': '159906', 'title': 'Billy Boyd (actor)', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 10, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '159906', 'title': 'Billy Boyd (actor)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 228, 'bleu_score': 0.6800888811482401, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 16494474303842674261}, 'section': 'Section::::Abstract.'}]}]