If there are about 6 tables, many places will do, and a slightly larger hotel will do. Just book a table two days in advance and order at the same time. You can still order very good food at the price of 1000. Xishan district is quite big, so you should find a hotel near you. You'd better find a famous hotel. Don't go to the hotel. The food in the hotel is not delicious. For example, Yitianyuan, Four Seasons Spring, and Kunming for 50 years.