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 | U.S. viewers (millions) |
| --- | --- | --- | --- | --- | --- | --- |
| 46.0 | 1.0 | "Doubt" | Gloria Muzio | Chris Mundy | September26,2007 | 12.66 |
| 47.0 | 2.0 | "In Name and Blood (In Birth and Death)" | Edward Allen Bernero | Chris Mundy | October3,2007 | 14.56 |
| 48.0 | 3.0 | "Scared to Death" | Félix Alcalá | Erica Messer & Debra J. Fisher | October10,2007 | 14.55 |
| 49.0 | 4.0 | "Children of the Dark" | Guy Norman Bee | Jay Beattie & Dan Dworkin | October17,2007 | 15.03 |
| 50.0 | 5.0 | "Seven Seconds" | John Gallagher | Andi Bushell | October24,2007 | 15.05 |
| 51.0 | 6.0 | "About Face" | Skipp Sudduth | Charles Murray | October31,2007 | 14.94 |
| 52.0 | 7.0 | "Identity" | Gwyneth Horder-Payton | Oanh Ly | November7,2007 | 14.65 |
| 53.0 | 8.0 | "Lucky (Part I)" | Steve Boyum | Andrew Wilder | November14,2007 | 15.73 |
| 54.0 | 9.0 | "Penelope (Part II)" | Félix Alcalá | Chris Mundy | November21,2007 | 15.88 |
| 55.0 | 10.0 | "True Night" | Edward Allen Bernero | Edward Allen Bernero | November28,2007 | 16.23 |
| 56.0 | 11.0 | "Birthright" | John Gallagher | Erica Messer & Debra J. Fisher | December12,2007 | 14.18 |
| 57.0 | 12.0 | "3rd Life" | Anthony Hemingway | Simon Mirren | January9,2008 | 14.30 |
| 58.0 | 13.0 | "Limelight" | Glenn Kershaw | Jay Beattie & Dan Dworkin | January23,2008 | 12.67 |
| 59.0 | 14.0 | "Damaged" | Edward Allen Bernero | Edward Allen Bernero | April2,2008 | 12.81 |
| 60.0 | 15.0 | "A Higher Power" | Félix Alcalá | Michael Udesky | April9,2008 | 13.33 |
| 61.0 | 16.0 | "Elephant's Memory" | Bobby Roth | Andrew Wilder | April16,2008 | 12.98 |
| 62.0 | 17.0 | "In Heat" | John Gallagher | Andi Bushell | April30,2008 | 13.03 |
| 63.0 | 18.0 | "The Crossing" | Guy Norman Bee | Erica Messer & Debra J. Fisher | May7,2008 | 12.88 |
| 64.0 | 19.0 | "Tabula Rasa" | Steve Boyum | Jay Beattie & Don Dworkin | May14,2008 | 12.88 |
Question:
when did 14.55 people watch?
Answer:
October10,2007