Question: when will the james webb telescope be operating
[{'answer': '2019', 'provenance': [{'wikipedia_id': '434221', 'title': 'James Webb Space Telescope', 'start_paragraph_id': 55, 'start_character': 13, 'end_paragraph_id': 55, 'end_character': 17, 'bleu_score': 1.0, 'section': 'Section::::History.:Cost and schedule issues.\n'}]}]