CREATE TABLE table_203_631 (id DECIMAL, "year" DECIMAL, "name of show" TEXT, "episodes" TEXT, "other guests" TEXT, "winner ( s ) " TEXT)

what is the number of other guests in the 2002 show a trio delights ?
SELECT "other guests" FROM table_203_631 WHERE "year" = 2002 AND "name of show" = 'a trio delights'
SELECT "other guests" FROM "table_203_631" WHERE "name of show" = 'a trio delights' AND "year" = 2002