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_272313_1 (vertical INTEGER, horizontal VARCHAR)
### Question:
What was the maximum vertical measurement if the horizon measurement is 640?
### Answer:
SELECT MAX(vertical) FROM table_272313_1 WHERE horizontal = 640