CREATE TABLE table_2373 ("Title/Subject" TEXT, "Public Office" TEXT, "Artist" TEXT, "Date Painted/Created" TEXT, "Medium" TEXT)

What medium was used for the sculpture of George Harold Baker?
SELECT "Medium" FROM table_2373 WHERE "Title/Subject" = 'George Harold Baker'
SELECT "Medium" FROM "table_2373" WHERE "Title/Subject" = 'George Harold Baker'