Question: who is the author of a long way gone
[{'answer': 'Ishmael Beah', 'provenance': [{'wikipedia_id': '18172194', 'title': 'A Long Way Gone', 'start_paragraph_id': 1, 'start_character': 72, 'end_paragraph_id': 1, 'end_character': 84, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '18172194', 'title': 'A Long Way Gone', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 928, 'bleu_score': 0.974441441169383, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 366228581558531841}, 'section': 'Section::::Abstract.'}]}]