Question: what are the names of the gemini twins
[{'answer': 'Castor and Pollux', 'provenance': [{'wikipedia_id': '21533375', 'title': 'Gemini (constellation)', 'start_paragraph_id': 1, 'start_character': 264, 'end_paragraph_id': 1, 'end_character': 281, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '21533375', 'title': 'Gemini (constellation)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 324, 'bleu_score': 0.965203995518735, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12329868135736185238}, 'section': 'Section::::Abstract.'}]}]