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 |
| --- | --- | --- | --- | --- | --- |
| 6.0 | 21.0 | 159.0 | Tony Green | RB | Florida |
| 8.0 | 8.0 | 202.0 | Walker Lee | WR | North Carolina |
| 8.0 | 25.0 | 219.0 | Don Hover | LB | Washington State |
| 9.0 | 21.0 | 243.0 | John Hurley | QB | Santa Clara [d ] |
| 10.0 | 20.0 | 270.0 | Scott Hertenstein | DE | Azusa Pacific |
| 11.0 | 19.0 | 297.0 | Mike Williams | DB | Texas A&M |
| 12.0 | 18.0 | 324.0 | Steve McCabe | G | Bowdoin |
Question:
How many overalls have a pick greater than 19, with florida as the college?
Answer:
159.0