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. in series | No. in season | Title | Directed by | Written by | Original airdate | Production code |
| --- | --- | --- | --- | --- | --- | --- |
| 27–28 | 1–2 | "Vengeance of Vilgax" | Dan Riba and Butch Lukic | Dwayne McDuffie | September11,2009 | 301–302 |
| 29 | 3 | "Inferno" | John Fang | Len Uhley | September18,2009 | 303 |
| 30 | 4 | "Fool's Gold" | Dan Riba | Eugene Son | September25,2009 | 304 |
| 31 | 5 | "Simple" | Butch Lukic | Stan Berkowitz | October9,2009 | 305 |
| 32 | 6 | "Vreedle, Vreedle" | John Fang | Charlotte Fullerton | October16,2009 | 306 |
| 33 | 7 | "Singlehanded" | Dan Riba | Marty Isenberg | October23,2009 | 307 |
| 34 | 8 | "If All Else Fails" | Butch Lukic | Adam Beecham | November6,2009 | 308 |
| 35 | 9 | "In Charm's Way" | John Fang and Rick Morales | Peter David | November13,2009 | 309 |
| 36 | 10 | "Ghost Town" | Dan Riba | Nicole Dubuc | November20,2009 | 310 |
| 37 | 11 | "Trade-Off" | Dan Riba | Len Wein | December4,2009 | 311 |
| 38 | 12 | "Busy Box" | Rick Morales | Jake Black | December11,2009 | 312 |
| 39 | 13 | "Con of Rath" | Dan Riba | Len Uhley | January8,2010 | 313 |
| 40 | 14 | "Primus" | Butch Lukic | Charlotte Fullerton | January15,2010 | 314 |
| 41 | 15 | "Time Heals" | Rick Morales | Len Ulhey | January22,2010 | 315 |
| 42 | 16 | "The Secret of Chromastone" | Dan Riba | Rick Fogel | January29,2010 | 316 |
| 43 | 17 | "Above and Beyond" | Butch Lukic | Eugene Son | March12,2010 | 317 |
| 44 | 18 | "Vendetta" | Rick Morales | Len Wein | March19,2010 | 318 |
Question:
What is the production code for episode 15 in season 3?
Answer:
315.0