Question: who plays the hobbits in lord of the rings
[{'answer': 'Elijah Wood', 'provenance': [{'wikipedia_id': '173941', 'title': 'The Lord of the Rings: The Fellowship of the Ring', 'start_paragraph_id': 1, 'start_character': 428, 'end_paragraph_id': 1, 'end_character': 439, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Sean Astin', 'provenance': [{'wikipedia_id': '173941', 'title': 'The Lord of the Rings: The Fellowship of the Ring', 'start_paragraph_id': 1, 'start_character': 483, 'end_paragraph_id': 1, 'end_character': 493, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Billy Boyd', 'provenance': [{'wikipedia_id': '173941', 'title': 'The Lord of the Rings: The Fellowship of the Ring', 'start_paragraph_id': 1, 'start_character': 529, 'end_paragraph_id': 1, 'end_character': 539, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Dominic Monaghan', 'provenance': [{'wikipedia_id': '173941', 'title': 'The Lord of the Rings: The Fellowship of the Ring', 'start_paragraph_id': 1, 'start_character': 541, 'end_paragraph_id': 1, 'end_character': 557, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Ian Holm', 'provenance': [{'wikipedia_id': '173941', 'title': 'The Lord of the Rings: The Fellowship of the Ring', 'start_paragraph_id': 1, 'start_character': 619, 'end_paragraph_id': 1, 'end_character': 627, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Andy Serkis', 'provenance': [{'wikipedia_id': '173941', 'title': 'The Lord of the Rings: The Fellowship of the Ring', 'start_paragraph_id': 1, 'start_character': 632, 'end_paragraph_id': 1, 'end_character': 643, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]