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:
| No. in series | No. in season | Title | Directed by | Written by | Original air date | Production code |
| --- | --- | --- | --- | --- | --- | --- |
| 56.0 | 1.0 | "Hostage (Part 1)" | Ted Demme | James Yoshimura | September20,1996 | 501.0 |
| 57.0 | 2.0 | "Hostage (Part 2)" | Jean De Segonzac | Julie Martin | September27,1996 | 502.0 |
| 58.0 | 3.0 | "Prison Riot" | Kenneth Fink | Tom Fontana | October18,1996 | 503.0 |
| 59.0 | 4.0 | "Bad Medicine" | Kenneth Fink | David Simon | October25,1996 | 504.0 |
| 60.0 | 5.0 | "M.E., Myself and I" | Michael Fields | Lyle Weldon & Emily Whitesell | November1,1996 | 505.0 |
| 61.0 | 6.0 | "White Lies" | Peter Weller | Anya Epstein | November8,1996 | 506.0 |
| 62.0 | 7.0 | "The Heart of a Saturday Night" | Whit Stillman | Henry Bromell | November15,1996 | 507.0 |
| 63.0 | 8.0 | "The True Test" | Alan Taylor | Noel Behn | November22,1996 | 508.0 |
| 64.0 | 9.0 | "Control" | Jean De Segonzac | Les Carter & Susan Sisko | December6,1996 | 509.0 |
| 65.0 | 10.0 | "Blood Wedding" | Kevin Hooks | Matthew Witten | December13,1996 | 510.0 |
| 66.0 | 11.0 | "The Documentary" | Barbara Kopple | Eric Overmyer | January3,1997 | 511.0 |
| 67.0 | 12.0 | "Betrayal" | Clark Johnson | Gay Walch | January10,1997 | 512.0 |
| 68.0 | 13.0 | "Have a Conscience" | Uli Edel | James Yoshimura | January17,1997 | 513.0 |
| 69.0 | 14.0 | "Diener" | Kyle Secor | Christopher Kyle | January31,1997 | 514.0 |
| 70.0 | 15.0 | "Wu's on First?" | Tim McCann | David Simon & Anya Epstein | February7,1997 | 515.0 |
| 71.0 | 16.0 | "Valentine's Day" | Clark Johnson | Tom Fontana | February14,1997 | 516.0 |
| 72.0 | 17.0 | "Kaddish" | Jean De Segonzac | Linda McGibney | February21,1997 | 517.0 |
| 73.0 | 18.0 | "Double Blind" | Uli Edel | Lee Blessing & Jeanne Blake | April11,1997 | 518.0 |
| 74.0 | 19.0 | "Deception" | Peter Medak | Debbie Sarjeant | April25,1997 | 519.0 |
| 75.0 | 20.0 | "Narcissus" | Jean De Segonzac | Yaphet Kotto | May2,1997 | 520.0 |
| 76.0 | 21.0 | "Partners and Other Strangers" | Leslie Libman & Larry Williams | Anya Epstein, Julie Martin & Darryl LeMont Wharton | May9,1997 | 521.0 |
Question:
How many episodes did Julie Martin wrote for the show If every episode has its own production code?
Answer:
1.0