Question: who are the key players in the business of creating and improving real property
[{'answer': 'Owner / user'}, {'answer': 'Owner', 'provenance': [{'wikipedia_id': '1327762', 'title': 'Real estate economics', 'start_paragraph_id': 4, 'start_character': 40, 'end_paragraph_id': 4, 'end_character': 45, 'bleu_score': 1.0, 'section': 'Section::::Overview of real estate markets.\n'}]}, {'answer': 'Renter', 'provenance': [{'wikipedia_id': '1327762', 'title': 'Real estate economics', 'start_paragraph_id': 6, 'start_character': 12, 'end_paragraph_id': 6, 'end_character': 18, 'bleu_score': 1.0, 'section': 'Section::::Overview of real estate markets.\n'}]}, {'answer': 'Developers', 'provenance': [{'wikipedia_id': '1327762', 'title': 'Real estate economics', 'start_paragraph_id': 7, 'start_character': 12, 'end_paragraph_id': 7, 'end_character': 22, 'bleu_score': 1.0, 'section': 'Section::::Overview of real estate markets.\n'}]}, {'answer': 'Renovators', 'provenance': [{'wikipedia_id': '1327762', 'title': 'Real estate economics', 'start_paragraph_id': 8, 'start_character': 12, 'end_paragraph_id': 8, 'end_character': 22, 'bleu_score': 1.0, 'section': 'Section::::Overview of real estate markets.\n'}]}, {'answer': 'Facilitators', 'provenance': [{'wikipedia_id': '1327762', 'title': 'Real estate economics', 'start_paragraph_id': 9, 'start_character': 12, 'end_paragraph_id': 9, 'end_character': 24, 'bleu_score': 1.0, 'section': 'Section::::Overview of real estate markets.\n'}]}]