Question: what is the episode title on original air date of September 30, 2007?
SQL: SELECT "Title" FROM "1-23799417-2" WHERE "Original airing" = 'September 30, 2007';

Question: What is the rating if the rating/share (18-49) is 3.6?
SQL: SELECT "Rating" FROM "1-23799417-2" WHERE "Rating/share (18–49)" = '3.6';

Question: What is the rating/share total number if the total viewers is 12.75 million?
SQL: SELECT COUNT("Rating/share (18–49)") FROM "1-23799417-2" WHERE "Total viewers (in millions)" = '12.75';

Question: If the rating is 9.1, what was the total viewers?
SQL: SELECT "Total viewers (in millions)" FROM "1-23799417-2" WHERE "Rating" = '9.1';