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 | U.S. viewers (millions) |
| --- | --- | --- | --- | --- | --- | --- |
| 122.0 | 1.0 | "Dangerous Son" | Sam Hill | Marc Dube & Krystal Houghton | September24,2007 | 15.08 |
| 123.0 | 2.0 | "Cyber-lebrity" | Matt Earl Beesley | Corey Evett & Matt Partney | October1,2007 | 14.72 |
| 124.0 | 3.0 | "Inside Out" | Gina Lamar | Sunil Nayar & John Haynes | October8,2007 | 14.45 |
| 125.0 | 4.0 | "Bang, Bang, Your Debt" | Karen Gaviola | Brian Davidson & Barry O'Brien | October15,2007 | 15.59 |
| 126.0 | 5.0 | "Deep Freeze" | Sam Hill | Elizabeth Devine | October22,2007 | 15.66 |
| 127.0 | 6.0 | "Sunblock" | Christine Moore | Corey Miller | October29,2007 | 14.85 |
| 128.0 | 7.0 | "Chain Reaction" | Scott Lautanen | Brian Davidson, Matt Partney & Corey Evett | November5,2007 | 14.07 |
| 129.0 | 8.0 | "Permanent Vacation" | Eagle Egilsson | Barry O'Brien & Krystal Houghton | November12,2007 | 15.46 |
| 130.0 | 9.0 | "Stand Your Ground" | Joe Chappelle | Marc Dube & John Haynes | November19,2007 | 15.83 |
| 131.0 | 10.0 | "CSI: My Nanny" | Jonathan Glassner | Corey Miller & Krystal Houghton | November26,2007 | 15.58 |
| 132.0 | 11.0 | "Guerillas in the Mist" | Carey Meyer | Barry O'Brien & Brian Davidson | December10,2007 | 14.11 |
| 133.0 | 12.0 | "Miami Confidential" | Sam Hill | Marc Dube | December17,2007 | 14.01 |
| 134.0 | 13.0 | "Raising Caine" | Gina Lamar | Sunil Nayar | January14,2008 | 14.80 |
| 135.0 | 14.0 | "You May Now Kill the Bride" | Eagle Egilsson | Barry O'Brien | March24,2008 | 16.06 |
| 136.0 | 15.0 | "Ambush" (Part 1) | Sam Hill | Corey Evett & Matt Partney | March31,2008 | 15.65 |
| 137.0 | 16.0 | "All In" (Part 2) | Joe Chappelle | Krystal Houghton | April1,2008 | 14.23 |
| 138.0 | 17.0 | "To Kill a Predator" | Matt Earl Beesley | Brian Davidson | April21,2008 | 14.38 |
| 139.0 | 18.0 | "Tunnel Vision" | Karen Gaviola | Tamara Jaron | April28,2008 | 13.88 |
| 140.0 | 19.0 | "Rock and a Hard Place" | Gina Lamar | Marc Dube | May5,2008 | 14.11 |
| 141.0 | 20.0 | "Down to the Wire" | Eagle Egilsson | Sunil Nayar | May12,2008 | 13.92 |
Question:
Who is the writer of the episode called "Ambush" (part 1)?
Answer:
Corey Evett & Matt Partney