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 | 22.0 | 49.0 | Vernon Dean | CB | San Diego State |
| 3.0 | 6.0 | 61.0 | Carl Powell | WR | Jackson State |
| 4.0 | 16.0 | 99.0 | Todd Liebenstein | DE | Nevada-Las Vegas |
| 5.0 | 22.0 | 133.0 | Mike Williams | TE | Alabama A&M |
| 6.0 | 14.0 | 153.0 | Lamont Jeffers | LB | Tennessee |
| 7.0 | 13.0 | 180.0 | John Schactner | LB | Northern Arizona |
| 8.0 | 28.0 | 223.0 | Ralph Warthen | DT | Gardner-Webb |
| 9.0 | 3.0 | 226.0 | Ken Coffey | DB | Southwest Texas State [r ] |
| 9.0 | 15.0 | 238.0 | Randy Trautman | DT | Boise State |
| 10.0 | 3.0 | 254.0 | Harold Smith | DE | Kentucky State |
| 10.0 | 14.0 | 265.0 | Terry Daniels | DB | Tennessee |
| 11.0 | 2.0 | 281.0 | Dan Miller | K | Miami (FL) |
| 11.0 | 12.0 | 291.0 | Bob Holly | QB | Princeton |
| 12.0 | 3.0 | 309.0 | Donald Laster | OT | Tennessee State |
| 12.0 | 16.0 | 322.0 | Jeff Goff | LB | Arkansas |
Question:
What is the overall pick number for the player who was picked on round 8?
Answer:
223.0