Question: what is the only lake in the lake district
[{'answer': 'Bassenthwaite Lake', 'provenance': [{'wikipedia_id': '640366', 'title': 'List of lakes in the Lake District', 'start_paragraph_id': 2, 'start_character': 24, 'end_paragraph_id': 2, 'end_character': 42, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '640366', 'title': 'List of lakes in the Lake District', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 303, 'bleu_score': 0.9222919188182481, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 18387177720728599312}, 'section': 'Section::::Abstract.'}]}]