CREATE TABLE table_13301516_1 (us_viewers__millions_ VARCHAR, original_air_date VARCHAR)

How many U.S. viewers, in millions, watched the episode that aired on November 13, 2007?
SELECT us_viewers__millions_ FROM table_13301516_1 WHERE original_air_date = "November 13, 2007"
SELECT "us_viewers__millions_" FROM "table_13301516_1" WHERE "November 13, 2007" = "original_air_date"