List the train information with the name "Andaman Exp".
select * from train where name = "Andaman Exp"
Which railway is it? Show the railway name.
select t1.railway from railway as t1 join train as t2 on t1.railway_id = t2.railway_id where t2.name = "Andaman Exp"
And which builder is it?
select t1.builder from railway as t1 join train as t2 on t1.railway_id = t2.railway_id where t2.name = "Andaman Exp"