Question: who is at the top of the dark tower
[{'answer': 'Gan', 'provenance': [{'wikipedia_id': '1021467', 'title': 'The Dark Tower VII: The Dark Tower', 'start_paragraph_id': 10, 'start_character': 359, 'end_paragraph_id': 10, 'end_character': 362, 'bleu_score': 1.0, 'section': 'Section::::Plot summary.\n'}]}, {'provenance': [{'wikipedia_id': '1021467', 'title': 'The Dark Tower VII: The Dark Tower', 'start_paragraph_id': 10, 'start_character': 0, 'end_paragraph_id': 10, 'end_character': 1223, 'bleu_score': 0.8956996903628041, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 13085645971954017289}, 'section': 'Section::::Plot summary.\n'}]}]