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 | U.S. viewers (millions) |
| --- | --- | --- | --- | --- | --- | --- | --- |
| 24.0 | 1.0 | "Home Front" | Ken Olin | Monica Owusu-Breen & Alison Schapker | September30,2007 | 201.0 | 13.26 |
| 25.0 | 2.0 | "An American Family" | Gloria Muzio | David Marshall Grant & Molly Newman | October7,2007 | 202.0 | 12.21 |
| 26.0 | 3.0 | "History Repeating" | Matt Shakman | Jon Robin Baitz & Jennifer Cecil | October14,2007 | 203.0 | 12.71 |
| 27.0 | 4.0 | "States of Union" | Michael Schultz | Sherri Cooper-Landsman & Liz Tigelaar | October21,2007 | 204.0 | 11.92 |
| 28.0 | 5.0 | "Domestic Issues" | Ken Olin | Peter Calloway & Cliff Olin | October28,2007 | 205.0 | 12.75 |
| 29.0 | 6.0 | "Two Places" | Gloria Muzio | Monica Owusu-Breen & Alison Schapker | November4,2007 | 206.0 | 12.25 |
| 30.0 | 7.0 | "36 Hours" | David Paymer | Molly Newman & David Marshall Grant | November11,2007 | 207.0 | 12.53 |
| 31.0 | 8.0 | "Something New" | Michael Morris | Jennifer Cecil & Sherri Cooper-Landsman | November25,2007 | 208.0 | 12.52 |
| 33.0 | 10.0 | "The Feast of the Epiphany" | Laura Innes | David Marshall Grant & Jason Wilborn | January13,2008 | 210.0 | 10.92 |
| 34.0 | 11.0 | "The Missionary Imposition" | Michael Morris | Daniel Silk & Brian Studler | February10,2008 | 211.0 | 8.63 |
| 35.0 | 12.0 | "Compromises" | David Paymer | Cliff Olin & Peter Calloway | February17,2008 | 212.0 | 8.50 |
| 36.0 | 13.0 | "Separation Anxiety" | Gloria Muzio | David Marshall Grant & Molly Newman | April20,2008 | 213.0 | 10.50 |
| 37.0 | 14.0 | "Double Negative" | Michael Schultz | Josh Reims & Liz Tigelaar | April27,2008 | 214.0 | 11.55 |
Question:
What is the production code directed by Matt Shakman?
Answer:
203.0