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 | School/Club Team |
| --- | --- | --- | --- | --- |
| 2.0 | 40.0 | Billy Corbett | Offensive Tackle | Johnson C. Smith |
| 5.0 | 118.0 | Mark Ilgenfritz | Defensive End | Vanderbilt |
| 6.0 | 146.0 | Billy Pritchett | Running Back | West Texas A&M |
| 7.0 | 163.0 | Bob Herrick | Wide Receiver | Purdue |
| 7.0 | 171.0 | Gerry Sullivan | Offensive Tackle | Illinois |
| 8.0 | 199.0 | Eddie Brown | Defensive Back | Tennessee |
| 9.0 | 224.0 | Dan Scott | Guard | Ohio State |
| 10.0 | 238.0 | Mike Puestow | Wide Receiver | North Dakota State |
| 11.0 | 274.0 | Tom Gooden | Kicker | Harding |
| 12.0 | 302.0 | Ron McNeil | Defensive End | North Carolina Central |
| 13.0 | 327.0 | Mike Siefert | Defensive End | Wisconsin |
| 14.0 | 352.0 | Bob Hunt | Running Back | Heidelberg |
| 15.0 | 380.0 | Ransom Terrell | Linebacker | Arizona |
| 16.0 | 407.0 | Preston Anderson | Defensive Back | Rice |
| 17.0 | 430.0 | Carlton Buchanan | Defensive Tackle | SW Oklahoma |
Question:
What is the average round for Wisconsin when the overall is larger than 238 and there is a defensive end?
Answer:
13.0