Question: what do you call a 50 cent coin
[{'answer': 'half dollar', 'provenance': [{'wikipedia_id': '374699', 'title': 'Half dollar (United States coin)', 'start_paragraph_id': 1, 'start_character': 4, 'end_paragraph_id': 1, 'end_character': 15, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'the half', 'provenance': [{'wikipedia_id': '374699', 'title': 'Half dollar (United States coin)', 'start_paragraph_id': 1, 'start_character': 42, 'end_paragraph_id': 1, 'end_character': 50, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '374699', 'title': 'Half dollar (United States coin)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 592, 'bleu_score': 0.8338737467038531, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9705683511234350494}, 'section': 'Section::::Abstract.'}]}]