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 railway ( Builder VARCHAR, Railway_ID VARCHAR )
TABLE: CREATE TABLE train ( Railway_ID VARCHAR, Name VARCHAR )

### Question ###
Show the builder of railways associated with the trains named 'Andaman Exp'.

### Accurate SQL ###

SELECT T1.Builder FROM railway AS T1 JOIN train AS T2 ON T1.Railway_ID = T2.Railway_ID WHERE T2.Name = "Andaman Exp"