Question: who made the dome in under the dome
[{'answer': "extraterrestrial `` leatherheads ''"}, {'provenance': [{'wikipedia_id': '18042052', 'title': 'Under the Dome (novel)', 'start_paragraph_id': 8, 'start_character': 0, 'end_paragraph_id': 8, 'end_character': 468, 'bleu_score': 0.9508865320524921, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17291869037113517631}, 'section': 'Section::::Plot summary.\n'}]}]