Question: when is lent and how long is it for
[{'answer': 'begins on Ash Wednesday', 'provenance': [{'wikipedia_id': '21324653', 'title': 'Lent', 'start_paragraph_id': 1, 'start_character': 116, 'end_paragraph_id': 1, 'end_character': 139, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'approximately six weeks', 'provenance': [{'wikipedia_id': '21324653', 'title': 'Lent', 'start_paragraph_id': 1, 'start_character': 149, 'end_paragraph_id': 1, 'end_character': 172, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]