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 # | Title | Directed by | Written by | Original air date | Production code | U.S. viewers (million) |
| --- | --- | --- | --- | --- | --- | --- |
| 1.0 | "Pilot" | Peter O'Fallon | Clifton Campbell | July11,2010 | BDF179 | 3.55 |
| 2.0 | "Bird in the Hand" | Peter O'Fallon | Matt Witten | July18,2010 | BDF101 | 3.35 |
| 3.0 | "A Perfect Storm" | Timothy Busfield | Alfonso H. Moreno | July25,2010 | BDF104 | 2.92 |
| 4.0 | "Mucked Up" | Randall Zisk | Elle Johnson | August1,2010 | BDF102 | 3.29 |
| 5.0 | "The Girlfriend Experience" | Tim Hunter | Lee Goldberg & William Rabkin | August8,2010 | BDF103 | 3.10 |
| 6.0 | "Doppelganger" | Guy Ferland | Story by: Matt Witten Teleplay by: David J. Burke | August15,2010 | BDF105 | 2.80 |
| 7.0 | "Cassadaga" | Bill Eagles | Alfonso H. Moreno | August22,2010 | BDF106 | 3.32 |
| 8.0 | "Marriage Is Murder" | Jonathan Frakes | Tom Garrigus | August29,2010 | BDF107 | 3.08 |
| 9.0 | "Honey" | Colin Bucksey | Elle Johnson | September5,2010 | BDF108 | 3.21 |
| 10.0 | "Second Chance" | Tricia Brock | Tom Garrigus | September12,2010 | BDF109 | 3.08 |
| 11.0 | "Booty" | Elodie Keene | Lee Goldberg & William Rabkin | September19,2010 | BDF110 | 2.93 |
| 12.0 | "Exposed" | Gary A. Randall | Alfonso H. Moreno | September26,2010 | BDF111 | 2.73 |
Question:
What is the series number for the episode with production code bdf109?
Answer:
10.0