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:
| Episode # | Season # | Format # | Title | Original Airdate |
| --- | --- | --- | --- | --- |
| 217.0 | 1.0 | H75 | Lost Smurf | September 10, 1988 |
| 218.0 | 2.0 | H76 | Archives of Evil | September 10, 1988 |
| 219.0 | 3.0 | Q143 | Bigmouth's Roommate/Bungling Babysitters | September 17, 1988 |
| 220.0 | 4.0 | Q144 | Clockwork's Powerplay/Clumsy in Command | September 17, 1988 |
| 221.0 | 5.0 | H77 | Don Smurfo's Uninvited Guests | September 24, 1988 |
| 222.0 | 6.0 | Q145 | Denisa's Greedy Doll/Denisa's Slumber Party | September 24, 1988 |
| 223.0 | 7.0 | Q146 | Grandpa's Nemesis/Grandpa's Walking Stick | October 1, 1988 |
| 224.0 | 8.0 | H78 | A House for Nanny | October 1, 1988 |
| 225.0 | 9.0 | Q147 | It's a Smurfy Life/Land of Lost and Found | October 8, 1988 |
| 226.0 | 10.0 | H79 | Long Live Brainy | October 8, 1988 |
| 227.0 | 11.0 | H80 | A Maze of Mirrors | October 15, 1988 |
| 228.0 | 12.0 | Q148 | Memory Melons/Nanny's Way | October 15, 1988 |
| 229.0 | 13.0 | Q149 | Pappy's Puppy/Shutterbug Smurfs | October 22, 1988 |
| 230.0 | 14.0 | Q150 | Smoogle Sings the Blues/A Smurf for Denisa | October 22, 1988 |
| 231.0 | 15.0 | H81 | Smurf the Presses | October 29, 1988 |
| 232.0 | 16.0 | H82 | Stealing Grandpa's Thunder | October 29, 1988 |
Question:
What is the average episode number with q146 format?
Answer:
223.0