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 # | Episode title | Writer(s) | Director | U.S. viewers (millions) | Original air date |
| --- | --- | --- | --- | --- | --- | --- |
| 24.0 | 1.0 | " How Betty Got Her Grieve Back " | Silvio Horta & Marco Pennette | James Hayman | 11.16 | September27,2007 |
| 25.0 | 2.0 | " Family/Affair " | Bill Wrubel | Victor Nelli, Jr. | 9.78 | October4,2007 |
| 26.0 | 3.0 | " Betty's Wait Problem " | Jon Kinnally & Tracy Poust | Tricia Brock | 10.35 | October11,2007 |
| 27.0 | 4.0 | " Grin and Bear It " | Sarah Kucserka & Veronica Becker | Tucker Gates | 9.67 | October18,2007 |
| 28.0 | 5.0 | " A League of Their Own " | Sheila Lawrence | Wendey Stanzler | 9.84 | October25,2007 |
| 29.0 | 6.0 | " Something Wicked This Way Comes " | Henry Alonso Myers | Wendey Stanzler | 9.90 | November1,2007 |
| 30.0 | 7.0 | " A Nice Day for a Posh Wedding " | Silvio Horta & Marco Pennette | James Hayman | 10.89 | November8,2007 |
| 31.0 | 8.0 | " I See Me, I.C.U. " | Bill Wrubel | Rodman Flender | 10.73 | November15,2007 |
| 32.0 | 9.0 | " Giving Up the Ghost " | Charles Pratt, Jr. | Gary Winick | 7.49 | November22,2007 |
| 33.0 | 10.0 | " Bananas for Betty " | Jon Kinnally & Tracy Poust | Michael Spiller | 9.34 | December6,2007 |
| 34.0 | 11.0 | " Zero Worship " | Dawn DeKeyser | Ron Underwood | 9.89 | January10,2008 |
| 35.0 | 12.0 | " Odor in the Court " | Bill Wrubel | Victor Nelli, Jr. | 9.52 | January17,2008 |
| 36.0 | 13.0 | " A Thousand Words Before Friday " | Sheila Lawrence & Henry Alonso Myers | Matt Shakman | 8.92 | January24,2008 |
| 37.0 | 14.0 | " Twenty Four Candles " | Sarah Kucserka & Veronica Becker | Michael Spiller | 8.52 | April24,2008 |
| 38.0 | 15.0 | " Burning Questions " | Henry Alonso Myers | Matt Shakman | 7.93 | May1,2008 |
| 39.0 | 16.0 | " Betty's Baby Bump " | Dawn DeKeyser (story), Bill Wrubel (teleplay) | Linda Mendoza | 7.99 | May8,2008 |
| 40.0 | 17.0 | " The Kids Are Alright " | Brian Tanen | Wendey Stanzler | 8.47 | May15,2008 |
Question:
What is the series number of the episode watched by 10.89 million viewers?
Answer:
30.0