CREATE TABLE table_24424 ("Week #" CLOB, "Theme" CLOB, "Song choice" CLOB, "Original artist" CLOB, "Order #" CLOB, "Result" CLOB)

What week # featured first solo as the theme?
SELECT "Week #" FROM table_24424 WHERE "Theme" = 'First Solo'
SELECT "Week #" FROM "table_24424" WHERE "Theme" = 'First Solo'