Question: first english team to play in european cup
[{'answer': '1968', 'provenance': [{'wikipedia_id': '15234969', 'title': 'English football clubs in international competitions', 'start_paragraph_id': 2, 'start_character': 318, 'end_paragraph_id': 2, 'end_character': 322, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '15234969', 'title': 'English football clubs in international competitions', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 580, 'bleu_score': 0.839827951619575, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 6385772670021378929}, 'section': 'Section::::Abstract.'}]}]