Question: when did the first digital camera come out
[{'answer': '1975', 'provenance': [{'wikipedia_id': '52797', 'title': 'Digital camera', 'start_paragraph_id': 5, 'start_character': 85, 'end_paragraph_id': 5, 'end_character': 89, 'bleu_score': 1.0, 'section': 'Section::::History.\n'}]}, {'provenance': [{'wikipedia_id': '52797', 'title': 'Digital camera', 'start_paragraph_id': 6, 'start_character': 7, 'end_paragraph_id': 6, 'end_character': 327, 'bleu_score': 0.500561363934187, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 1561740913656090479}, 'section': 'Section::::History.\n'}]}]