Question: when did england last win the eurovision song contest
[{'answer': '1997', 'provenance': [{'wikipedia_id': '17766232', 'title': 'United Kingdom in the Eurovision Song Contest', 'start_paragraph_id': 10, 'start_character': 1629, 'end_paragraph_id': 10, 'end_character': 1633, 'bleu_score': 1.0, 'section': 'Section::::History.:1980s and 1990s.\n'}]}, {'provenance': [{'wikipedia_id': '17766232', 'title': 'United Kingdom in the Eurovision Song Contest', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 744, 'bleu_score': 0.626118413610487, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 5232309358464549126}, 'section': 'Section::::Abstract.'}]}]