Question: when did christianity begin to spread in europe
[{'answer': 'around AD 52', 'provenance': [{'wikipedia_id': '9081924', 'title': 'Christianity in Europe', 'start_paragraph_id': 8, 'start_character': 107, 'end_paragraph_id': 8, 'end_character': 119, 'bleu_score': 1.0, 'section': 'Section::::History.:Early history.\n'}]}, {'provenance': [{'wikipedia_id': '9081924', 'title': 'Christianity in Europe', 'start_paragraph_id': 8, 'start_character': 0, 'end_paragraph_id': 8, 'end_character': 415, 'bleu_score': 0.9318557434050331, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 10770388403370708320}, 'section': 'Section::::History.:Early history.\n'}]}]