Question: when was soccer first introduced in the olympics
[{'answer': '1900', 'provenance': [{'wikipedia_id': '729870', 'title': 'Football at the Summer Olympics', 'start_paragraph_id': 5, 'start_character': 31, 'end_paragraph_id': 5, 'end_character': 35, 'bleu_score': 1.0, 'section': 'Section::::History.:Beginnings.\n'}]}, {'provenance': [{'wikipedia_id': '729870', 'title': 'Football at the Summer Olympics', 'start_paragraph_id': 5, 'start_character': 0, 'end_paragraph_id': 5, 'end_character': 587, 'bleu_score': 0.940298458781994, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 11466886724639127527}, 'section': 'Section::::History.:Beginnings.\n'}]}]