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 loan (branch_id VARCHAR, amount INTEGER); CREATE TABLE bank (bname VARCHAR, branch_id VARCHAR)
### Question:
Find the name of bank branch that provided the greatest total amount of loans.
### Answer:
SELECT T1.bname FROM bank AS T1 JOIN loan AS T2 ON T1.branch_id = T2.branch_id GROUP BY T1.bname ORDER BY SUM(T2.amount) DESC LIMIT 1