Question: when was the second republic established in france
[{'answer': '1848', 'provenance': [{'wikipedia_id': '304270', 'title': 'French Second Republic', 'start_paragraph_id': 1, 'start_character': 138, 'end_paragraph_id': 1, 'end_character': 142, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]