Question: who is arathorn in the lord of rings
[{'answer': 'the father of Aragorn', 'provenance': [{'wikipedia_id': '452029', 'title': 'Arathorn', 'start_paragraph_id': 4, 'start_character': 24, 'end_paragraph_id': 4, 'end_character': 45, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '452029', 'title': 'Arathorn', 'start_paragraph_id': 4, 'start_character': 0, 'end_paragraph_id': 4, 'end_character': 118, 'bleu_score': 0.9181891462193901, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 18058109239114539928}, 'section': 'Section::::Abstract.'}]}]