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 # | Episode # | Title | Directed by | Written by | Original air date |
| --- | --- | --- | --- | --- | --- |
| 23.0 | 1.0 | "Guess Who's Not Coming to Dinner" | James Burrows | David Kohan & Max Mutchnick | September21,1999 |
| 24.0 | 2.0 | "Election" | James Burrows | Adam Barr | September28,1999 |
| 25.0 | 3.0 | "Das Boob" | James Burrows | Jhoni Marchinko | November2,1999 |
| 26.0 | 4.0 | "Whose Mom is it Anyway?" | James Burrows | Alex Herschlag | November9,1999 |
| 27.0 | 5.0 | "Polk Defeats Truman" | James Burrows | Jeff Greenstein | November16,1999 |
| 28.0 | 6.0 | "To Serve and Disinfect" | James Burrows | Katie Palmer | November23,1999 |
| 29.0 | 7.0 | "Homo for the Holidays" | James Burrows | Alex Herschlag | November25,1999 |
| 30.0 | 8.0 | "Terms of Employment" | James Burrows | David Kohan & Max Mutchnick | November30,1999 |
| 31.0 | 9.0 | "I Never Promised You An Olive Garden" | James Burrows | Jon Kinnally & Tracy Poust | December14,1999 |
| 32.0 | 10.0 | "Tea and a Total Lack of Sympathy" | James Burrows | Jon Kinnally & Tracy Poust | January11,2000 |
| 33.0 | 11.0 | "Seeds of Discontent" | James Burrows | Jhoni Marchinko | January25,2000 |
| 34.0 | 12.0 | "He's Come Undone" | James Burrows | Adam Barr | February8,2000 |
| 36.0 | 14.0 | "Acting Out" | James Burrows | David Kohan & Max Mutchnick | February22,2000 |
| 37.0 | 15.0 | "Advise and Resent" | James Burrows | Jon Kinnally & Tracy Poust | February29,2000 |
| 38.0 | 16.0 | "Hey La, Hey La, My Ex-Boyfriend's Back" | James Burrows | Jeff Greenstein | March14,2000 |
| 39.0 | 17.0 | "The Hospital Show" | James Burrows | Adam Barr | March28,2000 |
| 40.0 | 18.0 | "Sweet and Sour Charity" | James Burrows | Gail Lerner | April4,2000 |
| 41.0 | 19.0 | "An Affair to Forget" | James Burrows | Alex Herschlag & Laura Kightlinger | April18,2000 |
| 42.0 | 20.0 | "Girls, Interrupted" | James Burrows | Jon Kinnally, Tracy Poust & Jhoni Marchinko | May2,2000 |
| 43.0 | 21.0 | "There But for the Grace of Grace" | James Burrows | Michelle Bochner | May9,2000 |
| 44.0 | 22.0 | "My Best Friend's Tush" | James Burrows | Ellen Idelson & Rob Lotterstein | May16,2000 |
Question:
What's the highest series number ? 
Answer:
44.0