What was Emma Bunton's score for the performance with a total score of 22?
CREATE TABLE "table1_28352386_1" (
  "week" real,
  "portraying" text,
  "song" text,
  "julian_clary" text,
  "emma_bunton" text,
  "guest_judge" text,
  "bonus_points" text,
  "total" text,
  "result" text
);
SELECT "emma_bunton" FROM "table1_28352386_1" WHERE "total"='22';