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:
| Season no. | Series no. | Title | Directed by | Written by | Original air date | Production code | U.S. viewers (millions) |
| --- | --- | --- | --- | --- | --- | --- | --- |
| 1.0 | 188.0 | "Rispetto" | Jean de Segonzac | Rick Eid | May1,2011 | 10004.0 | 5.10 |
| 2.0 | 189.0 | "The Consoler" | Michael Smith | Chris Brancato | May8,2011 | 10001.0 | 3.68 |
| 4.0 | 191.0 | "The Last Street in Manhattan" | Jean de Segonzac | Rick Eid | May22,2011 | 10006.0 | 3.33 |
| 5.0 | 192.0 | "Trophy Wine" | Michael Smith | Warren Leight | June5,2011 | 10003.0 | 3.91 |
| 6.0 | 193.0 | "Cadaver" | Frank Prinzi | Julie Martin | June12,2011 | 10005.0 | 3.59 |
| 7.0 | 194.0 | "Icarus" | Frank Prinzi | Julie Martin | June19,2011 | 10007.0 | 3.27 |
Question:
What is the last episode in the season that had 3.91 million viewers in the US?
Answer:
5.0