CREATE TABLE table_11080 ("Episode Air Date" TEXT, "Audition City" TEXT, "Date" TEXT, "First Audition Venue" TEXT, "Callback Date" TEXT, "Callback Venue" TEXT, "Golden Tickets" FLOAT)

What was the date when the first audition venue was Kemper Arena?
SELECT "Date" FROM table_11080 WHERE "First Audition Venue" = 'kemper arena'
SELECT "Date" FROM "table_11080" WHERE "First Audition Venue" = 'kemper arena'