SQLol - Challenge 7 - Walking on Thin Ice

In this challenge, no output from the query is shown, but verbose errors are shown.

Your objective is to find the table of social security numbers present in the database and extract its information WITHOUT deleting anything from the database.
(If you do happen to destroy the database, you can always use the SQLol reset button to bring it back to its original state.)
Query Type - DELETE query
Injection Type - String value in WHERE clause
Method - POST
Sanitization - None
Output - No results, verbose error messages, query not shown
Injection String: