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:
| Player | Attempts | Net yards | Yards per attempt | Touchdowns |
| --- | --- | --- | --- | --- |
| Mel Anthony | 145.0 | 702.0 | 4.8 | 9.0 |
| Bob Timberlake | 156.0 | 631.0 | 4.0 | 9.0 |
| Carl Ward | 101.0 | 515.0 | 5.1 | 4.0 |
| Jim Detwiler | 75.0 | 298.0 | 4.0 | 1.0 |
| Dave Fisher | 48.0 | 205.0 | 4.3 | 2.0 |
Question:
How many yards per attempt have net yards greater than 631?
Answer:
4.8