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 # | Title | Directed by | Original air date | Production code |
| --- | --- | --- | --- | --- | --- |
| 27.0 | 1.0 | "High on the Hog" | Frederick K. Keller | August 31, 1995 | K0503 |
| 28.0 | 2.0 | "Tag, You're Dead" | Jace Alexander | September 7, 1995 | K0507 |
| 29.0 | 3.0 | "Man's Best Friend" | Frederick K. Keller | September 14, 1995 | K0504 |
| 30.0 | 4.0 | "Brotherhood" | James Charleston | September 21, 1995 | K0506 |
| 31.0 | 5.0 | "Digital Underground" | Frederick K. Keller | September 28, 1995 | K0508 |
| 32.0 | 6.0 | "Buster and Claudia" | Don Kurt | October 5, 1995 | K0510 |
| 33.0 | 7.0 | "Student Affairs" | Michael Lange | October 12, 1995 | K0511 |
| 34.0 | 8.0 | "The Highest Bidder" | Frederick K. Keller | October 19, 1995 | K0513 |
| 35.0 | 9.0 | "Young, Beautiful and Dead" | Michael Lange | November 2, 1995 | K0512 |
| 36.0 | 10.0 | "Color Lines" | Frederick K. Keller | November 9, 1995 | K0514 |
| 37.0 | 11.0 | "The Finals" | Don Kurt | November 16, 1995 | K0515 |
| 38.0 | 12.0 | "Internal Affairs" | Melanie Mayron | November 30, 1995 | K0516 |
| 39.0 | 13.0 | "Bad Girls" | Peter R. McIntosh | December 14, 1995 | K0517 |
| 40.0 | 14.0 | "A Time to Kill" | Frederick K. Keller | January 4, 1996 | K0519 |
| 41.0 | 15.0 | "Bad Blood" | Matthew Penn | January 18, 1996 | K0501 |
| 42.0 | 16.0 | "Fire Show" | Jace Alexander | February 1, 1996 | K0518 |
| 43.0 | 17.0 | "Toy Soldiers" | Melanie Mayron | February 8, 1996 | K0502 |
| 44.0 | 18.0 | "Sympathy for the Devil" | Martha Mitchell | February 15, 1996 | K0520 |
| 45.0 | 19.0 | "Checkmate" | Oscar L. Costo | February 22, 1996 | K0521 |
| 46.0 | 20.0 | "Unis" | Arthur W. Forney | March 7, 1996 | K0522 |
| 47.0 | 21.0 | "The Reckoning" | Jesús Treviño | March 14, 1996 | K0509 |
| 48.0 | 22.0 | "The Enforcers" | Matthew Penn | April 4, 1996 | K0523 |
| 49.0 | 23.0 | "Andre's Choice" | Bill Corcoran | April 11, 1996 | K0524 |
| 50.0 | 24.0 | "No Greater Love" | Melanie Mayron | April 25, 1996 | K0525 |
| 51.0 | 25.0 | "Deep Cover (Part 1)" | Oscar L. Costo | May 2, 1996 | K0526 |
| 52.0 | 26.0 | "If This World Were Mine (Part 2)" | Arthur W. Forney | May 9, 1996 | K0527 |
Question:
What is the production code of the episode before season 8, with a series number less than 31, and aired on September 21, 1995?
Answer:
K0506