Question: Which episode was watched by 11.75 million U.S. viewers?
SQL: SELECT "Title" FROM "1-13301516-1" WHERE "U.S. viewers (millions)" = '11.75';

Question: How many U.S. viewers, in millions, watched the episode that aired on November 13, 2007?
SQL: SELECT "U.S. viewers (millions)" FROM "1-13301516-1" WHERE "Original air date" = 'November 13, 2007';

Question: How many episodes originally aired on April 29, 2008?
SQL: SELECT COUNT("No. in series") FROM "1-13301516-1" WHERE "Original air date" = 'April 29, 2008';

Question: How many millions of U.S. viewers watched episode 185?
SQL: SELECT "U.S. viewers (millions)" FROM "1-13301516-1" WHERE "No. in series" = 185.0;

Question: Who directed the episode that originally aired on January 15, 2008?
SQL: SELECT "Directed by" FROM "1-13301516-1" WHERE "Original air date" = 'January 15, 2008';