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:
| Episode # | Season Episode # | Title | Directed by | Written by | Original air date | Prod. code |
| --- | --- | --- | --- | --- | --- | --- |
| 66 | 1 | "Ill Suited" | Steve Loter | Brian Swenlin | February10,2007 | 401 |
| 67 | 2 | "The Big Job" | Steve Loter | Kurt Weldon | February10,2007 | 404 |
| 68 | 3 | "Trading Faces" | Steve Loter | Kim Duran | February10,2007 | 403 |
| 69 | 4 | "The Cupid Effect" | Steve Loter | Charleen Easton | February10,2007 | 409 |
| 70 | 5 | "Car Alarm" | Steve Loter | John Behnke & Rob Humphrey | February17,2007 | 402 |
| 71 | 6 | "Mad Dogs and Aliens" | Steve Loter | Brian Swenlin | February24,2007 | 405 |
| 72 | 7 | "Grande Size Me" | Steve Loter | Kurt Weldon | March3,2007 | 407 |
| 73 | 8 | "Clothes Minded" | Steve Loter | Kim Duran and Stephanie Phillips | March17,2007 | 408 |
| 74 | 9 | "Big Bother" | Steve Loter | Greg Weisman | April7,2007 | 410 |
| 75 | 10 | "Fashion Victim" | Steve Loter | Kim Duran | April14,2007 | 406 |
| 76 | 11 | "Odds Man In" | Steve Loter | Denise Moss | April28,2007 | 411 |
| 77 | 12 | "Stop Team Go" | Steve Loter | Kurt Weldon | May5,2007 | 413 |
| 78 | 13 | "Cap'n Drakken" | Steve Loter | Kim Duran | May19,2007 | 415 |
| 79 | 14 | "Mathter and Fervent" | Steve Loter | Jim Peronto | June17,2007 | 412 |
| 80 | 15 | "The Mentor of Our Discontent" | Steve Loter | Henry Gilroy | June23,2007 | 416 |
| 81 | 16 | "Oh No! Yono!" | Steve Loter | Brian Swenlin | July1,2007 | 417 |
| 82 | 17 | "Clean Slate" | Steve Loter | Mark Palmer | July28,2007 | 418 |
| 83 | 18 | "Homecoming Upset" | Steve Loter | Michael A. Newton | August11,2007 | 419 |
| 84a | 19a | "Chasing Rufus" | Steve Loter | Kim Duran | August12,2007 | 414a |
| 84b | 19b | "Nursery Crimes" | Steve Loter | Charlotte Fullerton & Kurt Weldon | August12,2007 | 414b |
| 85 | 20 | "Larry's Birthday" | Steve Loter | Kurt Weldon | September1,2007 | 420 |
Question:
What is the number of titles written by Charleen Easton?
Answer:
1.0