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 # | Episode # | Title | Directed by | Written by | Original air date | U.S. viewers (millions) |
| --- | --- | --- | --- | --- | --- | --- |
| 68.0 | 1 | "The Third Wheel Gets the Grace" | James Burrows | David Kohan & Max Mutchnick | September27,2001 | 20.6 |
| 69.0 | 2 | "Past and Presents" | James Burrows | Tracy Poust & Jon Kinnally | October4,2001 | 19.5 |
| 70.0 | 3 | "Crouching Father, Hidden Husband" | James Burrows | Adam Barr | October11,2001 | 19.6 |
| 71.0 | 4 | "Prison Blues" | James Burrows | Alex Herschlag | October18,2001 | 16.3 |
| 72.0 | 5 | "Loose Lips Sink Relationships" | James Burrows | Kari Lizer | October25,2001 | 16.2 |
| 73.0 | 6 | "Rules of Engagement" | James Burrows | Jeff Greenstein | November1,2001 | 18.8 |
| 74.0 | 7 | "Bed, Bath, and Beyond" | James Burrows | Jhoni Marchinko | November8,2001 | 19.2 |
| 75.0 | 8 | "Star-Spangled Banter" | James Burrows | Cynthia Mort | November15,2001 | 16.6 |
| 76.0 | 9-10 | "Moveable Feast" | James Burrows | Kari Lizer | November22,2001 | 17.8 |
| 77.0 | 11 | "Stakin' Care of Business" | James Burrows | Bill Wrubel | December6,2001 | 16.2 |
| 78.0 | 12 | "Jingle Balls" | James Burrows | Laura Kightlinger | December13,2001 | 19.4 |
| 79.0 | 13 | "Whoa, Nelly" | James Burrows | Adam Barr | January10,2002 | 18.4 |
| 80.0 | 14 | "Grace in the Hole" | James Burrows | Bill Wrubel | January17,2002 | 17.6 |
| 81.0 | 15 | "Dyeing is Easy, Comedy is Hard" | James Burrows | Darlene Hunt | January31,2002 | 19.9 |
| 82.0 | 16 | " A Chorus Lie " | James Burrows | Tracy Poust & Jon Kinnally | February7,2002 | 25.3 |
| 85.0 | 19 | "Cheatin' Trouble Blues" | James Burrows | Alex Herschlag | March28,2002 | 15.3 |
| 87.0 | 21 | "He Shoots, They Snore" | James Burrows | Sally Bradford | April11,2002 | 16.3 |
| 88.0 | 22 | "Wedding Balls" | James Burrows | Laura Kightlinger | April18,2002 | 15.8 |
| 89.0 | 23 | " Fagel Attraction " | James Burrows | Jenji Kohan | April25,2002 | 15.7 |
| 90.0 | 24 | "Hocus Focus" | James Burrows | Sally Bradford | May2,2002 | 17.0 |
Question:
How many million U.S. viewers wtched episode 69 of the series?
Answer:
19.5