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_21 (first_branch_opened VARCHAR, branch VARCHAR)
### Question:
What is the First Branch Opened, when Branch is Belmont Library?
### Answer:
SELECT first_branch_opened FROM table_name_21 WHERE branch = "belmont library"