human
Considering the provided database schema and associated query, produce SQL code to retrieve the answer to the query. 
###Database Schema: Class, Wheel arrangement, LCDR number(s), SECR numbers, Manufacturer, Year made, Quantity made, Quantity preserved, Year(s) withdrawn
###Question: What was the SECR number of the item made in 1861?
gpt
SELECT SECR numbers FROM table WHERE Year made = 1861