CREATE TABLE table_62931 ("Campus" CLOB, "Year opened" CLOB, "Students" CLOB, "Size" CLOB, "Location" CLOB)

What location was the campus opened in 2005 with students listed as na?
SELECT "Location" FROM table_62931 WHERE "Students" = 'na' AND "Year opened" = '2005'
SELECT "Location" FROM "table_62931" WHERE "Students" = 'na' AND "Year opened" = '2005'