Question: where did the name medicine ball come from
[{'answer': 'American Gymnasia and Academic Record', 'provenance': [{'wikipedia_id': '1548529', 'title': 'Medicine ball', 'start_paragraph_id': 3, 'start_character': 203, 'end_paragraph_id': 3, 'end_character': 240, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1548529', 'title': 'Medicine ball', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 272, 'bleu_score': 0.8262611286911291, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4179393560792236549}, 'section': 'Section::::Abstract.'}]}]