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:
| Episode | Air date | Rating | Share | 18-49 (Rating/Share) | Viewers (m) | Rank (timeslot) |
| --- | --- | --- | --- | --- | --- | --- |
| "Welcome to the Club" | October 12, 2007 | 7.3 | 13.0 | 2.5/8 | 10.82 | #1 |
| "Train In Vain" | October 19, 2007 | 6.5 | 12.0 | 2.0/6 | 9.69 | #1 |
| "Blind Dates and Bleeding Hearts" | October 26, 2007 | 6.1 | 11.0 | 1.9/6 | 8.9 | #1 |
| "Grannies, Guns, Love Mints" | November 2, 2007 | 6.4 | 11.0 | 1.9/6 | 9.47 | #1 |
| "Maybe, Baby" | November 9, 2007 | 6.5 | 11.0 | 2.0/6 | 9.7 | #1 |
| "Play Through the Pain" | November 15, 2007 | 6.1 | 10.0 | 3.3/9 | 8.93 | #3 |
| "The Past Comes Back to Haunt You" | November 16, 2007 | 6.2 | 11.0 | 1.7/5 | 8.94 | #1 |
| "No Opportunity Necessary" | November 23, 2007 | 5.3 | 9.0 | 1.6/5 | 7.76 | #1 |
| "To Drag & To Hold" | December 7, 2007 | 5.8 | 10.0 | 1.8/5 | 8.58 | #1 |
| "FBI Guy" | January 4, 2008 | 5.2 | 9.0 | 1.8/5 | 7.68 | #1 |
| "Father's Day" | April 29, 2008 | 5.8 | 9.0 | 1.9/5 | 8.14 | #2 |
| "And the Truth Will (Sometimes) Set You Free" | May 6, 2008 | 6.1 | 10.0 | 2.2/6 | 8.68 | #2 |
| "Never Tell" | May 13, 2008 | 5.8 | 10.0 | 2.1/6 | 8.46 | #2 |
Question:
what is the average rating when the air date is november 23, 2007?
Answer:
5.3