Question

They( to build) this housein 2001

Answer 1

They built this house in 2001.

Answer 2

Building of the House in 2001

The information provided indicates that Sergey was planning to build a new house in 2001 to fulfill his wife's dream [[2]](https://scholarsarchive.byu.edu/cgi/viewcontent.cgi?article=1229&context=rlj). However, the specific details about the construction of the house, such as its location, design, or completion, are not available in the provided search results.

If you have any specific questions or need further information about the house or its construction in 2001, feel free to ask!