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_77621 ( "Class" text, "Wheel arrangement" text, "LCDR number(s)" text, "SECR numbers" text, "Manufacturer" text, "Year made" text, "Quantity made" text, "Quantity preserved" text, "Year(s) withdrawn" text )

### Question ###
What was the SECR number of the item made in 1861?

### Accurate SQL ###

SELECT "SECR numbers" FROM table_77621 WHERE "Year made" = '1861'