CREATE TABLE table_52213 ("Year" FLOAT, "Theme" TEXT, "Artist" TEXT, "Mintage" TEXT, "Issue Price" TEXT)

What is the theme of the Year 2002 which was created by Artist Dan Fell?
SELECT "Theme" FROM table_52213 WHERE "Year" = '2002' AND "Artist" = 'dan fell'
SELECT "Theme" FROM "table_52213" WHERE "Artist" = 'dan fell' AND "Year" = '2002'