CREATE TABLE table_6913 ("Name" CLOB, "Novelty" CLOB, "Status" CLOB, "Authors" CLOB, "Unit" CLOB, "Location" CLOB)

What is varricchio's unit?
SELECT "Unit" FROM table_6913 WHERE "Authors" = 'varricchio'
SELECT "Unit" FROM "table_6913" WHERE "Authors" = 'varricchio'