Question: where is the white cliffs of dover located
[{'answer': 'England', 'provenance': [{'wikipedia_id': '686009', 'title': 'White Cliffs of Dover', 'start_paragraph_id': 4, 'start_character': 48, 'end_paragraph_id': 4, 'end_character': 55, 'bleu_score': 1.0, 'section': 'Section::::Location.\n'}]}]