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_2 (height_feet_m VARCHAR, surpassed_by VARCHAR)
### Question:
Tell me the height which has a surpassed by of book tower
### Answer:
SELECT height_feet_m FROM table_name_2 WHERE surpassed_by = "book tower"