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:
| Series # | Season # | Title | Directed by | Written by | Original air date | Production Code | U.S. viewers (millions) |
| --- | --- | --- | --- | --- | --- | --- | --- |
| 48.0 | 1.0 | "In The Dark" | Paul Holohan | Hank Steinberg | September23,2004 | 175301.0 | 21.51 |
| 49.0 | 2.0 | "Thou Shalt Not" | Randall Zisk | Jennifer Levin | October7,2004 | 175302.0 | 21.31 |
| 50.0 | 3.0 | "Light Years" | Craig Zisk | Greg Walker | October14,2004 | 175303.0 | 19.35 |
| 51.0 | 4.0 | "Upstairs Downstairs" | Timothy Busfield | Hank Steinberg, Judy Sachs | October21,2004 | 175304.0 | 18.49 |
| 52.0 | 5.0 | "American Goddess" | Tony Goldwyn | Maria Maggenti | October28,2004 | 175305.0 | 22.06 |
| 53.0 | 6.0 | "Nickel and Dimed, Part 1" | Martha Mitchell | David Amann | November4,2004 | 175306.0 | 21.77 |
| 54.0 | 7.0 | "Nickel and Dimed, Part 2" | John F. Showalter | Jan Nash | November11,2004 | 175307.0 | 20.46 |
| 55.0 | 8.0 | "Doppelgänger II" | Timothy Busfield | Hank Steinberg | November18,2004 | 175308.0 | 19.75 |
| 56.0 | 9.0 | "Trials" | David Von Ancken | David H. Goodman | November25,2004 | 175309.0 | 19.75 |
| 57.0 | 10.0 | "Malone v. Malone" | Hank Steinberg | Hank Steinberg | December9,2004 | 175310.0 | 19.49 |
| 58.0 | 11.0 | "4.0" | Ken Collins | Jennifer Levin | January6,2005 | 175311.0 | 23.76 |
| 59.0 | 12.0 | "Penitence" | Scott White | Allison Abner | January13,2005 | 175312.0 | 18.77 |
| 60.0 | 13.0 | "Volcano" | John F. Showalter | Greg Walker | February3,2005 | 175313.0 | 19.33 |
| 61.0 | 14.0 | "Neither Rain Nor Sleet" | Timothy Busfield | Jan Nash | February10,2005 | 175314.0 | 19.63 |
| 62.0 | 15.0 | "Party Girl" | Rob Bailey | Amanda Segal Marks | February17,2005 | 175315.0 | 21.01 |
| 63.0 | 16.0 | "Manhunt" | Jeannot Szwarc | David Amann | February24,2005 | 175316.0 | 21.37 |
| 64.0 | 17.0 | "Lone Star" | Paul Holohan | David Mongan | March10,2005 | 175317.0 | 23.32 |
| 65.0 | 18.0 | "Transitions" | Paul Holohan | David H. Goodman | March31,2005 | 175318.0 | 21.27 |
| 66.0 | 19.0 | "Second Sight" | Jeff T. Thomas | Jan Nash | April14,2005 | 175319.0 | 19.99 |
| 67.0 | 20.0 | "The Bogie Man" | Jeff T. Thomas | Jan Nash | May4,2005 | 175320.0 | 11.93 |
| 68.0 | 21.0 | "Off the Tracks" | John F. Showalter | Greg Walker | May5,2005 | 175321.0 | 17.92 |
| 69.0 | 22.0 | "John Michaels" | Hank Steinberg | Hank Steinberg | May12,2005 | 175322.0 | 18.92 |
Question:
How many series had 18.77 million viewers?
Answer:
1.0