Question: when was the world cup last held in the uk
[{'answer': '1966', 'provenance': [{'wikipedia_id': '4743361', 'title': 'FIFA World Cup hosts', 'start_paragraph_id': 7, 'start_character': 43, 'end_paragraph_id': 7, 'end_character': 47, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]