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 | Nationality | School/Club Team |
| --- | --- | --- | --- | --- |
| 2.0 | 42.0 | Willie White | United States | Tennessee-Chattanooga |
| 4.0 | 79.0 | Karl Tilleman | Canada | Calgary |
| 5.0 | 103.0 | Prince Bridges | United States | Missouri |
| 6.0 | 125.0 | Willie Burton | United States | Tennessee |
| 7.0 | 149.0 | Mark Simpson | United States | Catawba College |
| 8.0 | 171.0 | Bill Wendlandt | United States | Texas |
| 9.0 | 194.0 | Cecil Exum | United States Australia | North Carolina |
| 10.0 | 215.0 | Dexter Bailey | United States | Xavier (OH) |
Question:
What is the sum of Round, when Nationality is "United States", and when Pick is "125"?
Answer:
6.0