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) |
| --- | --- | --- | --- | --- | --- | --- |
| 184.0 | 2.0 | "The Happy Place" | Nathan Hope | Sarah Goldfinger | October16,2008 | 19.28 |
| 185.0 | 3.0 | "Art Imitates Life" | Kenneth Fink | Evan Dunsky | October23,2008 | 19.49 |
| 186.0 | 4.0 | "Let It Bleed" | Brad Tanenbaum | Corinne Marinan | October30,2008 | 19.10 |
| 187.0 | 5.0 | "Leave out All the Rest" | Kenneth Fink | Jacqueline Hoyt | November6,2008 | 18.18 |
| 188.0 | 6.0 | "Say Uncle" | Richard J. Lewis | Dustin Lee Abraham | November13,2008 | 19.05 |
| 190.0 | 8.0 | "Young Man with a Horn" | Jeffrey G. Hunt | David Rambo | December4,2008 | 17.48 |
| 191.0 | 9.0 | "19 Down..." (Part 1) | Kenneth Fink | Carol Mendelsohn & Naren Shankar | December11,2008 | 20.86 |
| 192.0 | 10.0 | "One to Go" (Part 2) | Alec Smight | Carol Mendelsohn & Naren Shankar | January15,2009 | 24.25 |
| 193.0 | 11.0 | "The Grave Shift" | Richard J. Lewis | Bradley Thompson & David Weddle | January22,2009 | 17.57 |
| 194.0 | 12.0 | "Disarmed and Dangerous" | Kenneth Fink | Dustin Lee Abraham & Evan Dunsky | January29,2009 | 20.15 |
| 195.0 | 13.0 | " Deep Fried and Minty Fresh " | Alec Smight | Corinne Marrinan & Sarah Goldfinger | February12,2009 | 17.94 |
| 196.0 | 14.0 | "Miscarriage of Justice" | Louis Milito | Richard Catalani & Jacqueline Hoyt | February19,2009 | 16.92 |
| 198.0 | 16.0 | "Turn, Turn, Turn" | Richard J. Lewis | Tom Mularz | March5,2009 | 20.88 |
| 199.0 | 17.0 | "No Way Out" | Alec Smight | Fulvia Charles-Lindsay | March12,2009 | 17.13 |
| 201.0 | 19.0 | "The Descent of Man" | Chris Leitch | Evan Dunsky | April9,2009 | 16.63 |
| 204.0 | 22.0 | "The Gone Dead Train" | Alec Smight | Jacqueline Hoyt | April30,2009 | 15.54 |
Question:
How many original air dates have U.S. Views (millions) of 19.49?
Answer:
1.0