Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_name_21 (name VARCHAR, floors VARCHAR, location VARCHAR, year_proposed VARCHAR)
### Question:
What building is in ljubljana, proposed in 2010, and has 15 floors?
### Answer:
SELECT name FROM table_name_21 WHERE location = "ljubljana" AND year_proposed = "2010" AND floors = "15"