Question: when did christianity come to the british isles
[{'answer': '3rd and 4th centuries', 'provenance': [{'wikipedia_id': '43250618', 'title': 'History of Christianity in Britain', 'start_paragraph_id': 4, 'start_character': 552, 'end_paragraph_id': 4, 'end_character': 573, 'bleu_score': 1.0, 'section': 'Section::::England.:Celts.\n'}]}, {'provenance': [{'wikipedia_id': '43250618', 'title': 'History of Christianity in Britain', 'start_paragraph_id': 4, 'start_character': 4, 'end_paragraph_id': 4, 'end_character': 1507, 'bleu_score': 0.8324332798816161, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 16925112687345693900}, 'section': 'Section::::England.:Celts.\n'}]}]