CREATE TABLE table_41775 ("Built" FLOAT, "Number" FLOAT, "Type" CLOB, "SLM Number" FLOAT, "Wheel arrangement" CLOB, "Location" CLOB, "Notes" CLOB)

What is the first locomotive that has a SLM number lower than 924?
SELECT MIN("Number") FROM table_41775 WHERE "SLM Number" < '924'
SELECT MIN("Number") FROM "table_41775" WHERE "SLM Number" < '924'