context: Izmailovsky Park of Culture and Rest - one of the largest parks in the capital, located in the Eastern Administrative District of Moscow. The territory of Izmailovsky PKiO is an object of cultural heritage - a monument of landscape gardening art and a specially protected natural area and is located within the boundaries of the Izmailovo Natural History Park. The area of ​​Izmailovsky PKiO 3 10 Ha. The director of the park is Alexey Alexandrovich Ogloblin.
question: What is the length of the Izmailovo Estate Museum?
answers.text: 10 Ha