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:
| Player | Position | Round | Overall | MLB Team |
| --- | --- | --- | --- | --- |
| Ryan Verdugo | LHP | 9th | 267.0 | San Francisco Giants |
| Matt Clark | 1B | 12th | 375.0 | San Diego Padres |
| Louis Coleman | RHP | 14th | 421.0 | Washington Nationals |
| Blake Martin | LHP | 17th | 516.0 | Minnesota Twins |
| Jared Bradford | RHP | 18th | 545.0 | St. Louis Cardinals |
| Michael Hollander | 3B | 20th | 603.0 | Texas Rangers |
| Jordan Brown | RHP | 39th | 1181.0 | Chicago Cubs |
Question:
What was the lowest overall for Louis Coleman?
Answer:
421.0