Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| No. | # | Original airdate | Performer 1 | Performer 2 | Performer 3 | Performer 4 | U.S. viewers (millions) |
| --- | --- | --- | --- | --- | --- | --- | --- |
| 220.0 | 1.0 | July16,2013 | Wayne Brady | Gary Anthony Williams | Colin Mochrie | Ryan Stiles | 2.92 |
| 221.0 | 2.0 | July16,2013 | Wayne Brady | Heather Anne Campbell | Colin Mochrie | Ryan Stiles | 2.99 |
| 222.0 | 3.0 | July23,2013 | Wayne Brady | Keegan-Michael Key | Colin Mochrie | Ryan Stiles | 2.48 |
| 223.0 | 4.0 | July30,2013 | Wayne Brady | Jonathan Mangum | Colin Mochrie | Ryan Stiles | 2.36 |
| 224.0 | 5.0 | July30,2013 | Wayne Brady | Jeff Davis | Colin Mochrie | Ryan Stiles | 2.46 |
| 225.0 | 6.0 | August6,2013 | Wayne Brady | Gary Anthony Williams | Colin Mochrie | Ryan Stiles | 2.25 |
| 226.0 | 7.0 | August13,2013 | Wayne Brady | Heather Anne Campbell | Colin Mochrie | Ryan Stiles | 2.15 |
| 227.0 | 8.0 | August20,2013 | Wayne Brady | Keegan-Michael Key | Colin Mochrie | Ryan Stiles | 2.28 |
| 228.0 | 9.0 | August27,2013 | Wayne Brady | Jeff Davis | Colin Mochrie | Ryan Stiles | 2.28 |
| 229.0 | 10.0 | September3,2013 | Wayne Brady | Nyima Funk | Colin Mochrie | Ryan Stiles | 2.48 |
| 230.0 | 11.0 | September17,2013 | Wayne Brady | Jonathan Mangum | Colin Mochrie | Ryan Stiles | 2.43 |
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?
Answer:
2.0