Question: when is the james webb telescope being launched
[{'answer': 'May 2020', 'provenance': [{'wikipedia_id': '434221', 'title': 'James Webb Space Telescope', 'start_paragraph_id': 47, 'start_character': 338, 'end_paragraph_id': 47, 'end_character': 346, 'bleu_score': 1.0, 'section': 'Section::::History.:Development and construction.\n'}]}]