Question: where does the atmosphere end and space begin
[{'answer': 'The Kármán line', 'provenance': [{'wikipedia_id': '738149', 'title': 'Kármán line', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 15, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]