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_4 (floors INTEGER, completed VARCHAR, rank VARCHAR)
### Question:
What is the lowest amount of floors in the building completed before 1970 ranked more than 14?
### Answer:
SELECT MIN(floors) FROM table_name_4 WHERE completed < 1970 AND rank > 14