CREATE TABLE table_name_18 (position VARCHAR2, nominated_work VARCHAR2, award VARCHAR2)

What was the position that the nominated work La Quinta Esencia, which also won an award for best CD coverbox, won?
SELECT position FROM table_name_18 WHERE nominated_work = "la quinta esencia" AND award = "best cd coverbox"
SELECT "position" FROM "table_name_18" WHERE "award" = "best cd coverbox" AND "la quinta esencia" = "nominated_work"