CREATE TABLE table_818 ("Stain" CLOB, "Common use" CLOB, "Nucleus" CLOB, "Cytoplasm" CLOB, "Red blood cell  ( RBC ) " CLOB, "Collagen fibers" CLOB, "Specifically stains" CLOB)

What stain is used commonly for elastic fibers?
SELECT "Stain" FROM table_818 WHERE "Common use" = 'Elastic fibers'
SELECT "Stain" FROM "table_818" WHERE "Common use" = 'Elastic fibers'