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 # | Player | Position | College |
| --- | --- | --- | --- | --- |
| 1.0 | 2.0 | Randy White | Defensive Tackle | Maryland |
| 1.0 | 18.0 | Thomas Henderson | Linebacker | Langston |
| 2.0 | 44.0 | Burton Lawless | Guard | Florida |
| 3.0 | 70.0 | Bob Bruenig | Linebacker | Arizona State |
| 4.0 | 90.0 | Pat Donovan | Tackle | Stanford |
| 4.0 | 96.0 | Randy Hughes | Defensive Back | Oklahoma |
| 5.0 | 113.0 | Kyle Davis | Center | Oklahoma |
Question:
What is the average Round, when Pick # is greater than 70, and when Position is Tackle?
Answer:
4.0