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 | U.S. viewers (millions) |
| --- | --- | --- | --- | --- | --- |
| 1.0 | "Pilot" | John Gray | John Gray | September23,2005 | 11.25 |
| 2.0 | "The Crossing" | Ron Lagomarsino | Catherine Butterfield | September30,2005 | 10.87 |
| 3.0 | "Ghost, Interrupted" | Ian Sander | Jed Seidel | October7,2005 | 11.07 |
| 4.0 | "Mended Hearts" | John Gray | John Gray | October14,2005 | 9.99 |
| 5.0 | "Lost Boys" | Peter O'Fallon | David Fallon | October21,2005 | 10.55 |
| 6.0 | "Homecoming" | James Frawley | Lois Johnson | October28,2005 | 11.73 |
| 7.0 | "Hope and Mercy" | Bill L. Norton | John Wirth | November4,2005 | 12.78 |
| 8.0 | "On the Wings of a Dove" | Peter O'Fallon | Catherine Butterfield | November11,2005 | 11.41 |
| 9.0 | "Voices" | Kevin Hooks | John Belluso | November18,2005 | 12.05 |
| 10.0 | "Ghost Bride" | Joanna Kerns | Jed Seidel | November25,2005 | 12.25 |
| 11.0 | "Shadow Boxer" | Joanna Kerns | Emily Fox | December9,2005 | 11.19 |
| 12.0 | "Undead Comic" | Eric Laneuville | Doug Prochilo | December16,2005 | 10.89 |
| 13.0 | "Friendly Neighborhood Ghost" | David Jones | Lois Johnson | January6,2006 | 11.31 |
| 14.0 | "Last Execution" | James Frawley | David Fallon | January13,2006 | 10.92 |
| 15.0 | "Melinda's First Ghost" | Peter Werner | Catherine Butterfield | January27,2006 | 11.62 |
| 16.0 | "Dead Man's Ridge" | James Frawley | John Gray | February3,2006 | 10.62 |
| 17.0 | "Demon Child" | Eric Laneuville | Jed Seidel | March3,2006 | 12.40 |
| 18.0 | "Miss Fortune" | James Chressanthis | Emily Fox | March10,2006 | 10.34 |
| 19.0 | "Fury" | Peter Werner | Rama Stagner | March31,2006 | 10.22 |
| 20.0 | "The Vanishing" | Ian Sander | Catherine Butterfield | April7,2006 | 10.05 |
| 21.0 | "Free Fall"(Part 1) | John Gray | John Gray | April28,2006 | 10.00 |
Question:
How many millions of U.S. viewers watched the episode titled "Lost Boys"?
Answer:
10.55