CREATE TABLE table_13540 ("Class" CLOB, "Wheel arrangement" CLOB, "Fleet number ( s ) " CLOB, "Manufacturer" CLOB, "Year made" CLOB, "Quantity made" CLOB, "Quantity preserved" CLOB)

What is the Class of 1899 1900?
SELECT "Class" FROM table_13540 WHERE "Year made" = '1899–1900'
SELECT "Class" FROM "table_13540" WHERE "Year made" = '1899–1900'