Question: who became king of erebor after thorin dies
[{'answer': 'Dáin'}, {'answer': 'his cousin Dáin'}, {'provenance': [{'wikipedia_id': '58143', 'title': 'Thorin Oakenshield', 'start_paragraph_id': 11, 'start_character': 0, 'end_paragraph_id': 11, 'end_character': 270, 'bleu_score': 0.959574895300321, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 10915144284964715518}, 'section': 'Section::::Appearances.:"The Hobbit".\n'}]}, {'provenance': [{'wikipedia_id': '58143', 'title': 'Thorin Oakenshield', 'section': 'Section::::Appearances.:"The Hobbit".\n', 'start_paragraph_id': 11, 'end_paragraph_id': 11, 'meta': {'evidence_span': ["Thorin was succeeded as leader of Durin's Folk by his cousin Dáin.", 'wounded, but he made his peace with Bilbo before he died. When Thorin died, he was buried with the Arkenstone, and Orcrist was returned and laid upon his tomb. The blade would glow blue should Orcs approach, and they could thus not take the Mountain by surprise. Thorin was succeeded as leader of Durin\'s Folk by his cousin Dáin. Part III of Appendix A in "The Return of the King" gives an overview of the history of Durin\'s Folk and gives more of Thorin\'s background. He', "Thorin was succeeded as leader of Durin's Folk by his cousin Dáin."]}}]}, {'provenance': [{'wikipedia_id': '58143', 'title': 'Thorin Oakenshield', 'section': 'Section::::Adaptations.\n', 'start_paragraph_id': 20, 'end_paragraph_id': 20, 'meta': {'evidence_span': ["Upon Thorin's death, the title passed to Dáin, his cousin and nearest heir.", "Upon Thorin's death, the title passed to Dáin, his cousin and nearest heir."]}}]}]