CREATE TABLE table_15715 ("Season" FLOAT, "Name" TEXT, "Hometown" TEXT, "Profession" TEXT, "Status" TEXT, "Finish" TEXT)

What was the hometown of the contestant who was a professional mixologist?
SELECT "Hometown" FROM table_15715 WHERE "Profession" = 'mixologist'
SELECT "Hometown" FROM "table_15715" WHERE "Profession" = 'mixologist'