Question: what is the latest version of apple mail
[{'answer': 'OS X El Capitan', 'provenance': [{'wikipedia_id': '288521', 'title': 'Apple Mail', 'start_paragraph_id': 31, 'start_character': 11, 'end_paragraph_id': 31, 'end_character': 26, 'bleu_score': 1.0, 'section': 'Section::::History.:OS X Yosemite.\n'}]}, {'provenance': [{'wikipedia_id': '288521', 'title': 'Apple Mail', 'start_paragraph_id': 32, 'start_character': 0, 'end_paragraph_id': 32, 'end_character': 333, 'bleu_score': 0.928430400129665, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9618283268725260144}, 'section': 'Section::::History.:OS X El Capitan.\n'}]}]