Question: what are the dates of the zodiac sign leo
[{'answer': 'July 23', 'provenance': [{'wikipedia_id': '2387987', 'title': 'Leo (astrology)', 'start_paragraph_id': 1, 'start_character': 224, 'end_paragraph_id': 1, 'end_character': 231, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'August 22', 'provenance': [{'wikipedia_id': '2387987', 'title': 'Leo (astrology)', 'start_paragraph_id': 1, 'start_character': 236, 'end_paragraph_id': 1, 'end_character': 245, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]