CREATE TABLE table_11412 ("Name" CLOB, "Builder" CLOB, "Type" CLOB, "Date" FLOAT, "Works number" FLOAT)

What is the total works number of the locomotive with 0-6-4t type after 1875?
SELECT SUM("Works number") FROM table_11412 WHERE "Type" = '0-6-4t' AND "Date" > '1875'
SELECT SUM("Works number") FROM "table_11412" WHERE "Date" > '1875' AND "Type" = '0-6-4t'