Question: who is the main character in orbiting jupiter
[{'answer': 'Jackson ( Jack ) Hurd', 'provenance': [{'wikipedia_id': '57415927', 'title': 'Orbiting Jupiter', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 28, 'bleu_score': 1.0, 'section': 'Section::::Synopsis.\n'}]}, {'provenance': [{'wikipedia_id': '57415927', 'title': 'Orbiting Jupiter', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 598, 'bleu_score': 0.980097014099621, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 6182679589673561647}, 'section': 'Section::::Synopsis.\n'}]}]