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_90 (floors INTEGER, built VARCHAR, name VARCHAR)
### Question:
What is the lowest Floors, when Built is greater than 1970, and when Name is NV Building 3?
### Answer:
SELECT MIN(floors) FROM table_name_90 WHERE built > 1970 AND name = "nv building 3"