Question: when was the world wide web made public
[{'answer': 'In January 1991', 'provenance': [{'wikipedia_id': '4192777', 'title': 'History of the World Wide Web', 'start_paragraph_id': 13, 'start_character': 199, 'end_paragraph_id': 13, 'end_character': 214, 'bleu_score': 1.0, 'section': 'Section::::1980–1991: Invention and implementation of the Web.\n'}]}, {'provenance': [{'wikipedia_id': '4192777', 'title': 'History of the World Wide Web', 'start_paragraph_id': 13, 'start_character': 0, 'end_paragraph_id': 13, 'end_character': 273, 'bleu_score': 0.600659957384587, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 3216574679975298443}, 'section': 'Section::::1980–1991: Invention and implementation of the Web.\n'}]}]