Question: who hit the first home run in the houston astrodome
[{'answer': 'Mickey Mantle', 'provenance': [{'wikipedia_id': '274065', 'title': 'Astrodome', 'start_paragraph_id': 16, 'start_character': 421, 'end_paragraph_id': 16, 'end_character': 434, 'bleu_score': 1.0, 'section': 'Section::::History.:Opening and reception.\n'}]}, {'provenance': [{'wikipedia_id': '274065', 'title': 'Astrodome', 'start_paragraph_id': 16, 'start_character': 0, 'end_paragraph_id': 16, 'end_character': 553, 'bleu_score': 0.979896933041101, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 16153804883654301152}, 'section': 'Section::::History.:Opening and reception.\n'}]}, {'provenance': [{'wikipedia_id': '274065', 'title': 'Astrodome', 'section': 'Section::::History.:Opening and reception.\n', 'start_paragraph_id': 16, 'end_paragraph_id': 16, 'meta': {'evidence_span': ['Mickey Mantle had both the first hit (a single) and the first home run in the Astrodome. The Astros beat the Yankees that night, 2-1', 'Mickey Mantle had both the first hit (a single) and the first home run in the Astrodome.']}}]}]