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 | 5.0 | 31.0 | Leo Carroll | Defensive End | San Diego State |
| 3.0 | 4.0 | 57.0 | Jimmy Jordan | Running Back | Florida |
| 5.0 | 5.0 | 112.0 | Bill Delaney | Tight End | American International |
| 5.0 | 13.0 | 120.0 | Randy Matson | Defensive Tackle | Texas A&M |
| 6.0 | 15.0 | 148.0 | Eugene Snipes | Running Back | Elizabeth City |
| 6.0 | 18.0 | 151.0 | Martine Bircher | Defensive Back | Arkansas |
| 7.0 | 3.0 | 162.0 | Corey Colehour | Quarterback | North Dakota |
| 9.0 | 4.0 | 215.0 | Bob Moten | Wide Receiver | Bishop College |
| 10.0 | 3.0 | 240.0 | Dick Schafroth | Offensive Tackle | Iowa State |
| 11.0 | 5.0 | 268.0 | John Walker | Linebacker | Jackson State |
| 12.0 | 3.0 | 293.0 | Bill Gentry | Linebacker | North Carolina State |
| 13.0 | 2.0 | 317.0 | Sandor Szabo | Kicker | Ithaca |
| 14.0 | 5.0 | 346.0 | Tom Bryan | Running Back | Auburn |
| 15.0 | 4.0 | 371.0 | Al Nicholas | Running Back | Sacramento State |
| 16.0 | 3.0 | 396.0 | Larry Chester | Defensive Back | Allen |
| 17.0 | 5.0 | 424.0 | Bill Buckner | Quarterback | Delta State |
Question:
What round on average was a defensive tackle selected?
Answer:
5.0