Question: who hit the first mlb interleague home run in 1997
[{'answer': 'Stan Javier', 'provenance': [{'wikipedia_id': '384210', 'title': 'Interleague play', 'start_paragraph_id': 7, 'start_character': 610, 'end_paragraph_id': 7, 'end_character': 621, 'bleu_score': 1.0, 'section': 'Section::::History.:Interleague play introduced.\n'}]}, {'provenance': [{'wikipedia_id': '384210', 'title': 'Interleague play', 'start_paragraph_id': 7, 'start_character': 0, 'end_paragraph_id': 7, 'end_character': 698, 'bleu_score': 0.9556930541639581, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17328746669148065789}, 'section': 'Section::::History.:Interleague play introduced.\n'}]}]