Question: who invented the photo-sensitive celluloid roll called film used in the kinetograph
[{'answer': 'Alexander Parkes', 'provenance': [{'wikipedia_id': '101684', 'title': 'Celluloid', 'start_paragraph_id': 6, 'start_character': 11, 'end_paragraph_id': 6, 'end_character': 27, 'bleu_score': 1.0, 'section': 'Section::::History.:Nitrocellulose.\n'}]}, {'provenance': [{'wikipedia_id': '101684', 'title': 'Celluloid', 'start_paragraph_id': 7, 'start_character': 0, 'end_paragraph_id': 7, 'end_character': 386, 'bleu_score': 0.9102525842944621, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 5477592000962171063}, 'section': 'Section::::History.:Alexander Parkes.\n'}]}]