CREATE TABLE table_11084 ("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 callback date for the auditions held on July 29, 2008?
SELECT "Callback Date" FROM table_11084 WHERE "Date" = 'july 29, 2008'
SELECT "Callback Date" FROM "table_11084" WHERE "Date" = 'july 29, 2008'