CREATE TABLE "table1_11642945_1" (
  "total_no" real,
  "celebrity" text,
  "director" text,
  "original_air_date" text,
  "viewers" text
);

Question: If the Original Air Date is 10January2008, what  directors released on that date?
SQL: SELECT "director" FROM "table1_11642945_1" WHERE "original_air_date"='10January2008';

Question: The original air date of 29November2007 has what total no.?
SQL: SELECT "total_no" FROM "table1_11642945_1" WHERE "original_air_date"='29November2007';

Question: Margot Kidder had what director?
SQL: SELECT "director" FROM "table1_11642945_1" WHERE "celebrity"='Margot Kidder';

Question: How many celebrities had an 18October2007 Original air Date?
SQL: SELECT COUNT("celebrity") FROM "table1_11642945_1" WHERE "original_air_date"='18October2007';

Question: Which viewers had Matt Gallagher as the director?
SQL: SELECT "viewers" FROM "table1_11642945_1" WHERE "director"='Matt Gallagher';