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_56550 ( "Year" text, "Type" text, "Nos." text, "GSWR Class" real, "GSWR Nos." text, "GSR Class" text, "Inchicore Class" text, "Withdrawn" text )

### Question ###
What is withdrawn with a GSR Class of 296?

### Accurate SQL ###

SELECT "Withdrawn" FROM table_56550 WHERE "GSR Class" = '296'