Question: who was the german leader who signed the treaty of versailles
[{'answer': 'Gustav Bauer', 'provenance': [{'wikipedia_id': '30030', 'title': 'Treaty of Versailles', 'start_paragraph_id': 34, 'start_character': 300, 'end_paragraph_id': 34, 'end_character': 312, 'bleu_score': 1.0, 'section': 'Section::::Treaty content and signing.\n'}]}, {'answer': 'President Friedrich Ebert', 'provenance': [{'wikipedia_id': '30030', 'title': 'Treaty of Versailles', 'start_paragraph_id': 73, 'start_character': 91, 'end_paragraph_id': 73, 'end_character': 116, 'bleu_score': 1.0, 'section': 'Section::::Reactions.:Germany.\n'}]}, {'provenance': [{'wikipedia_id': '30030', 'title': 'Treaty of Versailles', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 0, 'bleu_score': 1.0, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 6214331344056998789}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '30030', 'title': 'Treaty of Versailles', 'start_paragraph_id': 34, 'start_character': 0, 'end_paragraph_id': 34, 'end_character': 1177, 'bleu_score': 0.972519751248032, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 6214331344056998789}, 'section': 'Section::::Treaty content and signing.\n'}]}, {'provenance': [{'wikipedia_id': '30030', 'title': 'Treaty of Versailles', 'start_paragraph_id': 73, 'start_character': 0, 'end_paragraph_id': 73, 'end_character': 1639, 'bleu_score': 0.9928697615361851, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 6214331344056998789}, 'section': 'Section::::Reactions.:Germany.\n'}]}, {'provenance': [{'wikipedia_id': '30030', 'title': 'Treaty of Versailles', 'section': 'Section::::Reactions.:Germany.\n', 'start_paragraph_id': 73, 'end_paragraph_id': 73, 'meta': {'evidence_span': ["After Scheidemann's resignation, a new coalition government was formed under Gustav Bauer. President Friedrich Ebert knew that Germany was in an impossible situation.", 'Gustav Bauer. President Friedrich', "After Scheidemann's resignation, a new coalition government was formed under Gustav Bauer. President Friedrich Ebert knew that Germany was in an impossible situation."]}}]}]