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 | Title | Directed by | Written by | Original air date | Production code |
| --- | --- | --- | --- | --- | --- |
| 0.0 | "Unaired Pilot" | Dave Filoni | Michael Dante DiMartino & Bryan Konietzko | Unaired | 100.0 |
| 1.0 | "The Boy in the Iceberg" | Dave Filoni | Michael Dante DiMartino & Bryan Konietzko | February21,2005 | 101.0 |
| 2.0 | "The Avatar Returns" | Dave Filoni | Michael Dante DiMartino & Bryan Konietzko | February21,2005 | 102.0 |
| 3.0 | "The Southern Air Temple" | Lauren MacMullan | Michael Dante DiMartino | February25,2005 | 103.0 |
| 4.0 | "The Warriors of Kyoshi" | Giancarlo Volpe | Nick Malis | March4,2005 | 104.0 |
| 5.0 | "The King of Omashu" | Anthony Lioi | John O'Bryan | March18,2005 | 105.0 |
| 6.0 | "Imprisoned" | Dave Filoni | Matthew Hubbard | March25,2005 | 106.0 |
| 7.0 | "The Spirit World (Winter Solstice, Part 1)" | Lauren MacMullan | Aaron Ehasz | April8,2005 | 107.0 |
| 8.0 | "Avatar Roku (Winter Solstice, Part 2)" | Giancarlo Volpe | Michael Dante DiMartino | April15,2005 | 108.0 |
| 9.0 | "The Waterbending Scroll" | Anthony Lioi | John O'Bryan | April29,2005 | 109.0 |
| 10.0 | "Jet" | Dave Filoni | James Eagan | May6,2005 | 110.0 |
| 11.0 | "The Great Divide" | Giancarlo Volpe | John O'Bryan | May20,2005 | 111.0 |
| 12.0 | "The Storm" | Lauren MacMullan | Aaron Ehasz | June3,2005 | 112.0 |
| 13.0 | "The Blue Spirit" | Dave Filoni | Michael Dante DiMartino & Bryan Konietzko | June17,2005 | 113.0 |
| 14.0 | "The Fortuneteller" | Dave Filoni | Aaron Ehasz & John O'Bryan | September23,2005 | 114.0 |
| 15.0 | "Bato of the Water Tribe" | Giancarlo Volpe | Ian Wilcox | October7,2005 | 115.0 |
| 16.0 | "The Deserter" | Lauren MacMullan | Tim Hedrick | October21,2005 | 116.0 |
| 17.0 | "The Northern Air Temple" | Dave Filoni | Elizabeth Welch Ehasz | November4,2005 | 117.0 |
| 18.0 | "The Waterbending Master" | Giancarlo Volpe | Michael Dante DiMartino | November18,2005 | 118.0 |
| 19.0 | "The Siege of the North, Part 1" | Dave Filoni | Aaron Ehasz | December2,2005 | 119.0 |
Question:
Who directed all the episodes that were written by aaron ehasz & john o'bryan?
Answer:
Dave Filoni