CREATE TABLE table_2467 ("Week #" CLOB, "Theme" CLOB, "Song choice" CLOB, "Original artist" CLOB, "Order #" CLOB, "Result" CLOB)

Which week is the theme n/a
SELECT "Week #" FROM table_2467 WHERE "Theme" = 'N/A'
SELECT "Week #" FROM "table_2467" WHERE "Theme" = 'N/A'