Question: what is the name of the lining that immediately surrounds the lung
[{'answer': 'the pleural cavity', 'provenance': [{'wikipedia_id': '195207', 'title': 'Pleural cavity', 'start_paragraph_id': 23, 'start_character': 449, 'end_paragraph_id': 23, 'end_character': 467, 'bleu_score': 1.0, 'section': 'Section::::Clinical significance.:Pleural fluid analysis.\n'}]}, {'provenance': [{'wikipedia_id': '195207', 'title': 'Pleural cavity', 'start_paragraph_id': 1, 'start_character': 30, 'end_paragraph_id': 1, 'end_character': 677, 'bleu_score': 0.895548856976591, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9685338674943395071}, 'section': 'Section::::Abstract.'}]}]