Question: when did the practice of giving up something for lent begin
[{'answer': '1985', 'provenance': [{'wikipedia_id': '21324653', 'title': 'Lent', 'start_paragraph_id': 62, 'start_character': 1194, 'end_paragraph_id': 62, 'end_character': 1198, 'bleu_score': 1.0, 'section': 'Section::::Fasting and abstinence.\n'}]}]