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 | Written by | Original air date |
| --- | --- | --- | --- | --- | --- |
| 158.0 | 1.0 | "Four Corners" | Christopher Misiano | Jack Orman and David Zabel | September27,2001 |
| 159.0 | 2.0 | "The Longer You Stay" | Jonathan Kaplan | Jack Orman | October4,2001 |
| 160.0 | 3.0 | "Blood, Sugar, Sex, Magic" | Richard Thorpe | R. Scott Gemmill and Elizabeth Hunter | October11,2001 |
| 161.0 | 4.0 | "Never Say Never" | Félix Enríquez Alcalá | Dee Johnson | October18,2001 |
| 162.0 | 5.0 | "Start All Over Again" | Vondie Curtis-Hall | Joe Sachs | October25,2001 |
| 163.0 | 6.0 | "Supplies and Demands" | Jonathan Kaplan | Meredith Stiehm | November1,2001 |
| 164.0 | 7.0 | "If I Should Fall from Grace" | Laura Innes | R. Scott Gemmill | November8,2001 |
| 165.0 | 8.0 | "Partly Cloudy, Chance of Rain" | David Nutter | Jack Orman | November15,2001 |
| 166.0 | 9.0 | "Quo Vadis?" | Richard Thorpe | Joe Sachs and David Zabel | November22,2001 |
| 167.0 | 10.0 | "I'll Be Home for Christmas" | Jonathan Kaplan | Dee Johnson and Meredith Stiehm | December13,2001 |
| 168.0 | 11.0 | "Beyond Repair" | Alan J. Levi | Jack Orman and R. Scott Gemmill | January10,2002 |
| 169.0 | 12.0 | "A River in Egypt" | Jesus Salvador Trevino | David Zabel | January17,2002 |
| 170.0 | 13.0 | "Damage is Done" | Nelson McCormick | Dee Johnson | January31,2002 |
| 171.0 | 14.0 | "A Simple Twist of Fate" | Christopher Chulack | Jack Orman | February7,2002 |
| 172.0 | 15.0 | "It's All in Your Head" | Vondie Curtis-Hall | R. Scott Gemmill | February28,2002 |
| 173.0 | 16.0 | "Secrets and Lies" | Richard Thorpe | John Wells | March7,2002 |
| 174.0 | 17.0 | "Bygones" | Jessica Yu | Elizabeth Hunter and Meredith Stiehm | March28,2002 |
| 175.0 | 18.0 | "Orion in the Sky" | Jonathan Kaplan | David Zabel | April4,2002 |
| 176.0 | 19.0 | "Brothers and Sisters" | Nelson McCormick | R. Scott Gemmill | April25,2002 |
| 177.0 | 20.0 | "The Letter" | Jack Orman | Jack Orman | May2,2002 |
| 178.0 | 21.0 | "On the Beach" | John Wells | John Wells | May9,2002 |
Question:
Name who directed the episode by joe sachs and david zabel
Answer:
Richard Thorpe