Question: when was softball first played in the olympics
[{'answer': '1996', 'provenance': [{'wikipedia_id': '4333682', 'title': 'Softball at the Summer Olympics', 'start_paragraph_id': 1, 'start_character': 66, 'end_paragraph_id': 1, 'end_character': 70, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '4333682', 'title': 'Softball at the Summer Olympics', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 203, 'bleu_score': 0.943604326170661, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 10761687485340605763}, 'section': 'Section::::Abstract.'}]}]