Question: what is the meaning of 40 years in the bible
[{'answer': 'a generation', 'provenance': [{'wikipedia_id': '341671', 'title': '40 (number)', 'start_paragraph_id': 25, 'start_character': 96, 'end_paragraph_id': 25, 'end_character': 108, 'bleu_score': 1.0, 'section': 'Section::::In religion.:Judaism.\n'}]}]