Question: what is the oldest catholic church in england
[{'answer': 'Ss Leonard & Mary', 'provenance': [{'wikipedia_id': '4450100', 'title': "St Etheldreda's Church", 'start_paragraph_id': 27, 'start_character': 158, 'end_paragraph_id': 27, 'end_character': 175, 'bleu_score': 1.0, 'section': 'Section::::History.:19th century.\n'}]}, {'provenance': [{'wikipedia_id': '4450100', 'title': "St Etheldreda's Church", 'start_paragraph_id': 27, 'start_character': 0, 'end_paragraph_id': 27, 'end_character': 202, 'bleu_score': 0.8749766281017171, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7734227907048595240}, 'section': 'Section::::History.:19th century.\n'}]}]