CREATE TABLE table_20307 ("Week #" TEXT, "Theme" TEXT, "Song choice" TEXT, "Original artist" TEXT, "Order #" TEXT, "Result" TEXT)

Who was the original artist for week number Top 16 (8 women)?
SELECT "Original artist" FROM table_20307 WHERE "Week #" = 'Top 16 (8 Women)'
SELECT "Original artist" FROM "table_20307" WHERE "Week #" = 'Top 16 (8 Women)'