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 |
| --- | --- | --- | --- | --- | --- |
| 2.0 | 28.0 | 55.0 | Chip Lohmiller | K | Minnesota |
| 3.0 | 11.0 | 66.0 | Mike Oliphant | RB | Puget Sound |
| 4.0 | 28.0 | 109.0 | Jamie Morris | RB | Michigan |
| 5.0 | 18.0 | 127.0 | Carl Mims | DB | Sam Houston State |
| 6.0 | 22.0 | 159.0 | Stan Humphries | QB | Northeast Louisiana [q ] |
| 7.0 | 28.0 | 193.0 | Harold Hicks | DB | San Diego State |
| 8.0 | 28.0 | 221.0 | Darryl McGill | RB | Wake Forest |
| 9.0 | 28.0 | 249.0 | Blake Peterson | LB | Mesa |
| 10.0 | 28.0 | 277.0 | Henry Brown | OT | Ohio State |
| 11.0 | 28.0 | 305.0 | Curt Koch | DE | Colorado |
| 12.0 | 10.0 | 315.0 | Wayne Ross | P | San Diego State |
Question:
During round 8 when the Position being picked was rb, what was the highest overall pick?
Answer:
221.0