CREATE TABLE table_28639 ("Rank" FLOAT, "Couple" CLOB, "Judges" FLOAT, "Public" FLOAT, "Total" FLOAT, "Vote percentage" CLOB, "Result" CLOB)

How many judges were there when the result is safe with a vote percentage of 10.7%?
SELECT MIN("Judges") FROM table_28639 WHERE "Result" = 'Safe' AND "Vote percentage" = '10.7%'
SELECT MIN("Judges") FROM "table_28639" WHERE "Result" = 'Safe' AND "Vote percentage" = '10.7%'