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:
| Round | Pick | Overall | Name | Position | College |
| --- | --- | --- | --- | --- | --- |
| 5.0 | 24.0 | 148.0 | Mike Hughes | G | Baylor |
| 6.0 | 23.0 | 179.0 | Tom Marvaso | DB | Cincinnati |
| 8.0 | 25.0 | 234.0 | Brian Fryer | WR | Alberta |
| 9.0 | 17.0 | 254.0 | Curtis Akins | G | Hawaii |
| 10.0 | 7.0 | 272.0 | Paul Strohmeier | LB | Washington |
| 11.0 | 17.0 | 308.0 | Dean Gissler | DE | Nebraska |
| 12.0 | 23.0 | 342.0 | Walter Tullis | WR | Delaware State |
| 13.0 | 17.0 | 364.0 | Waymon Britt | DB | Michigan |
| 14.0 | 18.0 | 393.0 | Quinn Buckner | DB | Indiana |
| 15.0 | 23.0 | 426.0 | John Monroe | RB | Bluefield State |
| 17.0 | 17.0 | 476.0 | Chuck Willis | DB | Oregon |
Question:
Which Pick has an Overall larger than 308, and a Position of rb?
Answer:
23.0