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 table_name_87 (train_no VARCHAR, origin VARCHAR)

### Question ###
What is number of the train that originated in Secunderabad Junction?

### Accurate SQL ###

SELECT train_no FROM table_name_87 WHERE origin = "secunderabad junction"