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 | Production code | U.S. viewers (millions) |
| --- | --- | --- | --- | --- | --- | --- | --- |
| 350.0 | 1.0 | "Red Ball" | Matthew Penn | David Wilcox | September21,2005 | 16001.0 | 13.03 |
| 351.0 | 2.0 | "Flaw" | Jean de Segonzac | Chris Levinson | September28,2005 | 16002.0 | 15.06 |
| 352.0 | 3.0 | "Ghosts" | Constantine Makris | Rick Eid | October5,2005 | 16003.0 | 12.59 |
| 353.0 | 4.0 | "Age of Innocence" | David Platt | Davey Holmes | October12,2005 | 16005.0 | 10.92 |
| 354.0 | 5.0 | "Life Line" | Rosemary Rodriguez | Greg Plageman | October19,2005 | 16006.0 | 12.33 |
| 355.0 | 6.0 | "Birthright" | Constantine Makris | David Slack | November2,2005 | 16007.0 | 12.57 |
| 356.0 | 7.0 | "House of Cards" | Michael Pressman | Wendy Battles | November9,2005 | 16008.0 | 10.86 |
| 357.0 | 8.0 | " New York Minute " | Don Scardino | Nicholas Wootton | November16,2005 | 16009.0 | 11.44 |
| 358.0 | 9.0 | "Criminal Law" | Ed Sherin | David Wilcox | November23,2005 | 16010.0 | 11.93 |
| 359.0 | 10.0 | "Acid" | Michael Pressman | Richard Sweren | November30,2005 | 16011.0 | 12.87 |
| 360.0 | 11.0 | "Bible Story" | Rick Wallace | Richard Sweren | December7,2005 | 16004.0 | 12.13 |
| 361.0 | 12.0 | "Family Friend" | Jean de Segonzac | Philippe Browning | January11,2006 | 16012.0 | 12.83 |
| 362.0 | 13.0 | "Heart of Darkness" | Richard Dobbs | Carter Harris | January18,2006 | 16013.0 | 12.38 |
| 363.0 | 14.0 | "Magnet" | Adam Bernstein | David Black | February8,2006 | 16014.0 | 14.53 |
| 364.0 | 15.0 | "Choice of Evils" | Michael Pressman | David Wilcox | March1,2006 | 16016.0 | 12.39 |
| 365.0 | 16.0 | "Cost of Capital" | Michael W. Watkins | Tom Smuts & Rick Eid | March8,2006 | 16010.0 | 11.79 |
| 366.0 | 17.0 | "America, Inc." | Jean de Segonzac | Richard Sweren | March22,2006 | 16017.0 | 9.00 |
| 367.0 | 18.0 | "Thinking Makes It So" | Tony Goldwyn | Michael S. Chernuchin | March29,2006 | 16019.0 | 9.35 |
| 368.0 | 19.0 | "Positive" | Richard Dobbs | Sonny Postiglione | April5,2006 | 16020.0 | 10.84 |
| 369.0 | 20.0 | "Kingmaker" | Don Scardino | David Slack | May3,2006 | 16018.0 | 10.66 |
| 370.0 | 21.0 | "Hindsight" | Jean de Segonzac | Chris Levinson | May10,2006 | 16021.0 | 12.68 |
Question:
how many premieres had the episode that had 12.68 millions of north american viewers? 
Answer:
1.0