CREATE TABLE table_25933 ("No." FLOAT, "#" FLOAT, "Original airdate" CLOB, "Performer 1" CLOB, "Performer 2" CLOB, "Performer 3" CLOB, "Performer 4" CLOB, "U.S. viewers  ( millions ) " CLOB)

What's the number of the episode seen by 2.99 millions of people in the US, where performer 2 was Heather Anne Campbell?
SELECT MIN("#") FROM table_25933 WHERE "Performer 2" = 'Heather Anne Campbell' AND "U.S. viewers (millions)" = '2.99'
SELECT MIN("#") FROM "table_25933" WHERE "Performer 2" = 'Heather Anne Campbell' AND "U.S. viewers (millions)" = '2.99'