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" | Bronwen Hughes | Michael Sardo | January20,2011 | FL101-75 | 3.88 |
| 2.0 | "Priceless" | Andy Wolk | Michael Sardo | January27,2011 | FL102 | 4.10 |
| 3.0 | "Benched" | John Showalter | Aaron Tracy | February3,2011 | FL103 | 3.67 |
| 5.0 | "The Two Richards" | Paul Holahan | Jan Nash | February17,2011 | FL105 | 3.22 |
| 6.0 | "Believers" | Tricia Brock | Jim Adler | February24,2011 | FL106 | 3.06 |
| 7.0 | "Coming Home" | Steven DePaul | Jim Adler | March3,2011 | FL107 | 3.21 |
| 8.0 | "UltraVinyl" | Bob Berlinger | Blair Singer | March10,2011 | FL108 | 2.81 |
| 9.0 | "My Best Friend's Prenup" | Vincent Misiano | Ben Lee | March17,2011 | FL109 | 4.04 |
Question:
Who is the writer when the director is bob berlinger?
Answer:
Blair Singer