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 # | Title | Directed by | Written by | Original air date | Viewers (in millions) |
| --- | --- | --- | --- | --- | --- |
| 1.0 | "Pilot" | Michael Dinner | Vincent Angell, William Rotko | January15,2009 | 2.45 |
| 2.0 | "Two Choices" | Michael Dinner | William L. Rotko | January22,2009 | 1.55 |
| 3.0 | "Nadia" | Christine Moore | Vincent Angell | January29,2009 | 1.35 |
| 4.0 | "Infected" | John Badham | Ray Hartung | February5,2009 | N/A |
| 5.0 | "Bitsy Big-Boy" | Michael W. Watkins | Vincent Angell | February12,2009 | N/A |
| 6.0 | "Hothead" | Sanford Bookstaver | John Romano | February19,2009 | N/A |
| 7.0 | "Capone" | Ken Girotti | Wendy West | February26,2009 | N/A |
| 8.0 | "Mercy" | Tom Verica | Mark Goffman & William L. Rotko | March5,2009 | N/A |
| 9.0 | "The Walk In" | Jeremiah S. Chechik | Mark Goffman | March19,2009 | N/A |
| 10.0 | "Tilt" | Charles Haid | William L. Rotko, Keith Schreier | March26,2009 | N/A |
| 11.0 | "My Brother's Keeper" | Lisa Niemi | Vincent Angell & Wendy West | April9,2009 | N/A |
| 12.0 | "Counterfeit" | Chris Leitch | Mark Goffman & Ray Hartung | April16,2009 | N/A |
Question:
How many original air dates did episode 12 have?h
Answer:
1.0