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 | Overall | Player | Position | College |
| --- | --- | --- | --- | --- |
| 1.0 | 21.0 | Daniel Graham | Tight end | Colorado |
| 2.0 | 65.0 | Deion Branch | Wide receiver | Louisville |
| 4.0 | 117.0 | Rohan Davey | Quarterback | LSU |
| 4.0 | 126.0 | Jarvis Green | Defensive end | LSU |
| 7.0 | 237.0 | Antwoine Womack | Running back | Virginia |
| 7.0 | 253.0 | David Givens | Wide receiver | Notre Dame |
Question:
What round was the draft pick of tight end with an Overall larger than 21?
Answer:
0.0