CREATE TABLE table_28641 ("Rank by average" FLOAT, "Place" FLOAT, "Couple" TEXT, "Total points" TEXT, "Number of dances" FLOAT, "Average" TEXT)

What is the least place when the couple is Keiron & Brianne?
SELECT MIN("Place") FROM table_28641 WHERE "Couple" = 'Keiron & Brianne'
SELECT MIN("Place") FROM "table_28641" WHERE "Couple" = 'Keiron & Brianne'