Question: How many millions of people in the US saw the episode number 226?
SQL: SELECT "U.S. viewers (millions)" FROM "1-23294081-11" WHERE "No." = 226.0;

Question: What is the highest episode number?
SQL: SELECT MAX("No.") FROM "1-23294081-11";

Question: Who was performer 1 in the episode number 7 where Heather Anne Campbell was performer 2?
SQL: SELECT "Performer 1" FROM "1-23294081-11" WHERE "Performer 2" = 'Heather Anne Campbell' AND "#" = 7.0;

Question: What's the number of the episode seen by 2.99 millions of people in the US, where performer 2 was Heather Anne Campbell?
SQL: SELECT MIN("#") FROM "1-23294081-11" WHERE "Performer 2" = 'Heather Anne Campbell' AND "U.S. viewers (millions)" = '2.99';