Question: where do the symbols for male and female come from
[{'answer': 'Mars symbol ♂', 'provenance': [{'wikipedia_id': '992782', 'title': 'Gender symbol', 'start_paragraph_id': 6, 'start_character': 37, 'end_paragraph_id': 6, 'end_character': 50, 'bleu_score': 1.0, 'section': 'Section::::Biology and medicine.\n'}]}, {'answer': 'Venus symbol ♀', 'provenance': [{'wikipedia_id': '992782', 'title': 'Gender symbol', 'start_paragraph_id': 6, 'start_character': 115, 'end_paragraph_id': 6, 'end_character': 129, 'bleu_score': 1.0, 'section': 'Section::::Biology and medicine.\n'}]}, {'provenance': [{'wikipedia_id': '992782', 'title': 'Gender symbol', 'start_paragraph_id': 6, 'start_character': 4, 'end_paragraph_id': 6, 'end_character': 516, 'bleu_score': 0.8838934438768251, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 523019068745797394}, 'section': 'Section::::Biology and medicine.\n'}]}]