Question: when did france and belgium invade the ruhr
[{'answer': '1923', 'provenance': [{'wikipedia_id': '1607008', 'title': 'Occupation of the Ruhr', 'start_paragraph_id': 1, 'start_character': 133, 'end_paragraph_id': 1, 'end_character': 137, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': '11 January 1923', 'provenance': [{'wikipedia_id': '1607008', 'title': 'Occupation of the Ruhr', 'start_paragraph_id': 1, 'start_character': 122, 'end_paragraph_id': 1, 'end_character': 137, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'January 1923', 'provenance': [{'wikipedia_id': '1607008', 'title': 'Occupation of the Ruhr', 'start_paragraph_id': 1, 'start_character': 125, 'end_paragraph_id': 1, 'end_character': 137, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1607008', 'title': 'Occupation of the Ruhr', 'start_paragraph_id': 7, 'start_character': 0, 'end_paragraph_id': 7, 'end_character': 774, 'bleu_score': 0.6428324484379041, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 14421818852730771508}, 'section': 'Section::::Occupation.\n'}]}, {'provenance': [{'wikipedia_id': '1607008', 'title': 'Occupation of the Ruhr', 'start_paragraph_id': 4, 'start_character': 0, 'end_paragraph_id': 4, 'end_character': 1367, 'bleu_score': 0.784472017808702, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 14421818852730771508}, 'section': 'Section::::Background.\n'}]}, {'provenance': [{'wikipedia_id': '1607008', 'title': 'Occupation of the Ruhr', 'section': 'Section::::Abstract.', 'start_paragraph_id': 1, 'end_paragraph_id': 1, 'meta': {'evidence_span': ['The Occupation of the Ruhr () was a period of military occupation of the German Ruhr valley by France and Belgium between 11 January 1923 and 25 August 1925.', 'The Occupation of the Ruhr () was a period of military occupation of the German Ruhr valley by France and Belgium between 11 January 1923 and 25 August 1925. The occupation was a response to the German Weimar Republic widely and regularly defaulting on reparation payments in the early 1920s. The total reparation sum of £6.6\xa0billion had been dictated by the victorious powers in the Treaty of Versailles, and the reparation payments were due to last several decades.', 'The Occupation of the Ruhr () was a period of military occupation of the German Ruhr valley by France and Belgium between 11 January 1923 and 25 August 1925. The occupation was a response to the German Weimar Republic widely and regularly defaulting on reparation payments in the early 1920s. The total reparation sum of £6.6\xa0billion had been dictated by the victorious powers in the Treaty of Versailles, and the reparation payments were due to last several decades.\rhighlight sentence(s) containing evidence, not only the answer']}}]}, {'provenance': [{'wikipedia_id': '1328501', 'title': 'Hundred Days Offensive', 'section': 'Section::::Abstract.', 'start_paragraph_id': 1, 'end_paragraph_id': 1, 'meta': {'evidence_span': ['The Hundred Days Offensive (8 August to 11 November 1918) was series of massive Allied offensives which ended the First World War. Beginning with the Battle of Amiens (812 August) on the Western Front, the Allies pushed the Central Powers back after their gains from the Spring Offensive. The Germans eventually retreated to the Hindenburg Line, culminating in the Armistice of 11 November 1918. The term "Hundred Days Offensive" does not refer to a battle or strategy, but rather the rapid series of Allied victories against which the German armies had no reply.', 'The Hundred Days Offensive (8 August to 11 November 1918) was series of massive Allied offensives which ended the First World War. Beginning with the Battle of Amiens (812 August) on the Western Front, the Allies pushed the Central Powers back after their gains from the Spring Offensive. The Germans eventually retreated to the Hindenburg Line, culminating in the Armistice of 11 November 1918. The term "Hundred Days Offensive" does not refer to a battle or strategy, but rather the rapid series of Allied victories against which the German armies had no reply.\rhighlight sentence(s) containing evidence, not only the answer']}}]}]