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 air date | Production code |
| --- | --- | --- | --- | --- | --- | --- |
| 18.0 | 1.0 | "The Gang Finds a Dumpster Baby" | Jerry Levine | Rob McElhenney & Charlie Day | September13,2007 | IP03001 |
| 19.0 | 2.0 | " The Gang Gets Invincible " | Fred Savage | Charlie Day & Glenn Howerton & David Hornsby | September13,2007 | IP03010 |
| 20.0 | 3.0 | "Dennis and Dee's Mom Is Dead" | Matt Shakman | Rob McElhenney & David Hornsby | September20,2007 | IP03013 |
| 21.0 | 4.0 | "The Gang Gets Held Hostage" | Fred Savage | Story by: Lisa Parsons Teleplay by: Rob McElhenney | September20,2007 | IP03009 |
| 22.0 | 5.0 | "The Aluminum Monster vs. Fatty Magoo" | Fred Savage | Charlie Day & Glenn Howerton | September27,2007 | IP03007 |
| 23.0 | 6.0 | "The Gang Solves the North Korea Situation" | Fred Savage | Charlie Day & Scott Marder & Rob Rosell | September27,2007 | IP03006 |
| 24.0 | 7.0 | "The Gang Sells Out" | Matt Shakman | Charlie Day & David Hornsby | October4,2007 | IP03014 |
| 27.0 | 10.0 | "Mac is a Serial Killer" | Jerry Levine | Story by: Charlie Day Teleplay by: David Hornsby | October18,2007 | IP03003 |
| 28.0 | 11.0 | "Dennis Looks Like a Registered Sex Offender" | Jerry Levine | Rob McElhenney | October25,2007 | IP03005 |
| 29.0 | 12.0 | "The Gang Gets Whacked (Part 1)" | Matt Shakman | Glenn Howerton & Scott Marder & Rob Rosell | November1,2007 | IP03011 |
| 30.0 | 13.0 | "The Gang Gets Whacked (Part 2)" | Matt Shakman | Scott Marder & Rob Rosell | November1,2007 | IP03012 |
| 31.0 | 14.0 | "Bums: Making a Mess All Over the City" | Jerry Levine | Charlie Day & David Hornsby | November8,2007 | IP03004 |
Question:
Who wrote the episode with ip03012 as the production code?
Answer:
Scott Marder & Rob Rosell