How many judges were there when the result is safe with a vote percentage of 10.7%?
CREATE TABLE "table1_26375386_20" (
  "rank" real,
  "couple" text,
  "judges" real,
  "public" real,
  "total" real,
  "vote_percentage" text,
  "result" text
);
SELECT MIN("judges") FROM "table1_26375386_20" WHERE "result"='Safe' AND "vote_percentage"='10.7%';