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_73 (floors INTEGER, built VARCHAR, rank VARCHAR)
### Question:
What's the total number of floors built after 2006, and have a rank of 12?
### Answer:
SELECT SUM(floors) FROM table_name_73 WHERE built > 2006 AND rank = 12