CREATE TABLE table_12666 ("Year ( s ) " FLOAT, "Final television commentator" TEXT, "Radio commentator" TEXT, "Spokesperson" TEXT, "Semi-final television commentator" TEXT, "Semi-final second television commentator" TEXT)

Who is the semi-final second television commentator with graham norton as the final television commentator and scott mills as the spokesperson before 2013?
SELECT "Semi-final second television commentator" FROM table_12666 WHERE "Final television commentator" = 'graham norton' AND "Spokesperson" = 'scott mills' AND "Year(s)" < '2013'
SELECT "Semi-final second television commentator" FROM "table_12666" WHERE "Final television commentator" = 'graham norton' AND "Spokesperson" = 'scott mills' AND "Year(s)" < '2013'