Question: what is the meaning of the latin word camera obscura
[{'answer': 'dark room', 'provenance': [{'wikipedia_id': '48193', 'title': 'Camera obscura', 'start_paragraph_id': 1, 'start_character': 62, 'end_paragraph_id': 1, 'end_character': 71, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '48193', 'title': 'Camera obscura', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 628, 'bleu_score': 0.940466574526111, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 18155778644171107094}, 'section': 'Section::::Abstract.'}]}]