CREATE TABLE table_28538 ("Candidate" TEXT, "Background" TEXT, "Original team" TEXT, "Age" FLOAT, "Hometown" TEXT, "Result" TEXT)

What is the age when the result is fired in week 8
SELECT MIN("Age") FROM table_28538 WHERE "Result" = 'Fired in week 8'
SELECT MIN("Age") FROM "table_28538" WHERE "Result" = 'Fired in week 8'