Question: who hit the first grand slam in baseball history
[{'answer': 'Roger Connor', 'provenance': [{'wikipedia_id': '2989618', 'title': 'Grand slam (baseball)', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 12, 'bleu_score': 1.0, 'section': 'Section::::Notable highlights.\n'}]}, {'provenance': [{'wikipedia_id': '2989618', 'title': 'Grand slam (baseball)', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 285, 'bleu_score': 0.783404972196252, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9011226087066499331}, 'section': 'Section::::Notable highlights.\n'}]}]