CREATE TABLE table_name_91 (premiere_date VARCHAR)

Name the 2nd runner-up for july 20, 2007
SELECT 2 AS nd_runner_up FROM table_name_91 WHERE premiere_date = "july 20, 2007"
SELECT 2 AS "nd_runner_up" FROM "table_name_91" WHERE "july 20, 2007" = "premiere_date"