CREATE TABLE table_20309 ("Week #" TEXT, "Theme" TEXT, "Song choice" TEXT, "Original artist" TEXT, "Order #" TEXT, "Result" TEXT)

What was the theme when the original artist was The Beatles?
SELECT "Theme" FROM table_20309 WHERE "Original artist" = 'The Beatles'
SELECT "Theme" FROM "table_20309" WHERE "Original artist" = 'The Beatles'