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_49529 ( "Class" text, "Wheel arrangement" text, "Fleet number(s)" text, "Manufacturer" text, "Year made" text, "Quantity made" text, "Quantity preserved" text )

### Question ###
Which fleet numbers has quanitity of 13?

### Accurate SQL ###

SELECT "Fleet number(s)" FROM table_49529 WHERE "Quantity made" = '13'