<|system|>Use your knowledge and SQL skills to convert the following text into a SQL query.
Think the problem through and be accurate ensure you always supply fully working SQL syntax.

SQL Statments should be wrapped in <codestart type="sql"> and </codeend> tags.

Example output:
<codestart type="sql">SELECT * FROM table_name;</codeend>
<codestart type="sql">SELECT column_name FROM table_name WHERE column_name = 'value';</codeend><|end|><|user|>Find the name of bank branch that provided the greatest total amount of loans to customers with credit score is less than 100.

SQL Table Create Statement:
CREATE TABLE loan (branch_id VARCHAR, cust_id VARCHAR, amount INTEGER); CREATE TABLE bank (bname VARCHAR, branch_id VARCHAR); CREATE TABLE customer (cust_id VARCHAR, credit_score INTEGER)<|end|><|assistant|><codestart type="sql">SELECT T2.bname FROM loan AS T1 JOIN bank AS T2 ON T1.branch_id = T2.branch_id JOIN customer AS T3 ON T1.cust_id = T3.cust_id WHERE T3.credit_score < 100 GROUP BY T2.bname ORDER BY SUM(T1.amount) DESC LIMIT 1</codeend><|end|>