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:
| Series # | Season # | Title | Written by | Original air date | U.S. Viewers (millions) |
| --- | --- | --- | --- | --- | --- |
| 36.0 | 1.0 | "The Big Bang" | Kari Lizer & Jeff Astrof | February4,2008 | 9.43 |
| 37.0 | 2.0 | "Beauty is Only Spanx Deep" | Kari Lizer | February11,2008 | 9.89 |
| 38.0 | 3.0 | "Popular" | Jennifer Crittenden | February18,2008 | 9.40 |
| 39.0 | 4.0 | "Traffic" | Jeff Astrof | February25,2008 | 9.14 |
| 40.0 | 5.0 | "Between a Rock and a Hard Place" | Aaron Shure | March3,2008 | 8.35 |
| 41.0 | 6.0 | "The New Adventures of Old Christine" | Frank Pines | March10,2008 | 7.38 |
| 42.0 | 7.0 | "House" | Katie Palmer | March10,2008 | 9.62 |
| 43.0 | 8.0 | "Burning Down the House"(Part 1) | Aaron Shure | March17,2008 | 11.47 |
Question:
What is the season number of the show written by both Kari Lizer and Jeff Astrof?
Answer:
1.0