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:
| Time Period | Position | Bureau | Office | District Attorney |
| --- | --- | --- | --- | --- |
| 1974–1984 | Assistant District Attorney | Homicide/ Special Victims | Manhattan District Attorney's office | Various |
| 1984–2002 | Unknown | Unknown | Unknown | Unknown |
| 2002–2004 | Bureau Chief ADA | Special Victims | Manhattan District Attorney's office | Nora Lewin / Arthur Branch |
| 2005–2008 | Judge | – | New York Supreme Court | – |
| 2008 | Executive Assistant District Attorney | Homicide Special Victims | Manhattan District Attorney's office | Jack McCoy |
| 2008–2010 | Judge | – | New York Supreme Court | – |
Question:
Tell me the DA for bureau chief ada
Answer:
Nora Lewin / Arthur Branch