CREATE TABLE table_62823 ("Class" CLOB, "Railway number ( s ) " CLOB, "Quantity rebuilt" FLOAT, "Rebuild year ( s ) " CLOB, "Type" CLOB)

What's the railway number of a D(rebuild) class?
SELECT "Railway number(s)" FROM table_62823 WHERE "Class" = 'd(rebuild)'
SELECT "Railway number(s)" FROM "table_62823" WHERE "Class" = 'd(rebuild)'