Which couple participated in the Paso Doble style and were safe?
CREATE TABLE "week_8_july_30_2008" (
  "couple" text,
  "style" text,
  "music" text,
  "choreographer_s" text,
  "results" text
);
SELECT "couple" FROM "week_8_july_30_2008" WHERE "results"='safe' AND "style"='paso doble';