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:
| Pick # | MLS team | Player | Position | Affiliation |
| --- | --- | --- | --- | --- |
| 1.0 | D.C. United | * Alecko Eskandarian | F | University of Virginia |
| 2.0 | MetroStars | * Ricardo Clark | M | Furman University |
| 3.0 | Chicago Fire | * Nate Jaqua | F | University of Portland |
| 4.0 | MetroStars | * Mike Magee | F | Nike Project-40 |
| 5.0 | D.C. United | * David Stokes | D | University of North Carolina |
| 6.0 | San Jose Earthquakes | Todd Dunivant | D | Stanford University |
| 7.0 | Columbus Crew | Diego Walsh | M | Southern Methodist University |
| 8.0 | Los Angeles Galaxy | * Guillermo Gonzalez | M | Nike Project-40 |
| 9.0 | New England Revolution | Pat Noonan | F | Indiana University |
| 10.0 | Dallas Burn | Shavar Thomas | D | University of Connecticut |
Question:
Tell me the lowest pick number for columbus crew
Answer:
7.0