Question: when was the last time wales were in the world cup
[{'answer': '1958', 'provenance': [{'wikipedia_id': '27835065', 'title': 'Wales at the FIFA World Cup', 'start_paragraph_id': 1, 'start_character': 499, 'end_paragraph_id': 1, 'end_character': 503, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '27835065', 'title': 'Wales at the FIFA World Cup', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 605, 'bleu_score': 0.9796927878356411, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 8618599614454499963}, 'section': 'Section::::Abstract.'}]}]