Question: who was executed by british for being american spy
[{'answer': 'Nathan Hale', 'provenance': [{'wikipedia_id': '286294', 'title': 'Nathan Hale', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 11, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '286294', 'title': 'Nathan Hale', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 378, 'bleu_score': 0.9679895851501501, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 3531737065017980103}, 'section': 'Section::::Abstract.'}]}]