Question: when do kittens open their eyes after being born
[{'answer': 'seven to ten days', 'provenance': [{'wikipedia_id': '66365', 'title': 'Kitten', 'start_paragraph_id': 1, 'start_character': 158, 'end_paragraph_id': 1, 'end_character': 175, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '66365', 'title': 'Kitten', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 441, 'bleu_score': 0.9738505480425671, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4911865671898479690}, 'section': 'Section::::Abstract.'}]}]