Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE loan (branch_id VARCHAR)
TABLE: CREATE TABLE bank (bname VARCHAR, branch_id VARCHAR)

### Question ###
Find the name of bank branches that provided some loans.

### Accurate SQL ###

SELECT DISTINCT T1.bname FROM bank AS T1 JOIN loan AS T2 ON T1.branch_id = T2.branch_id