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 | Player | Team | Position | School |
| --- | --- | --- | --- | --- |
| 31.0 | Adam Miller | Cleveland Indians | RHP | McKinney High School |
| 32.0 | Matt Murton | Boston Red Sox | OF | Georgia Tech |
| 33.0 | Omar Quintanilla | Oakland Athletics | SS | University of Texas |
| 34.0 | Craig Whitaker | San Francisco Giants | RHP | St. Francis High School [ disambiguation needed ] |
| 35.0 | Luis Atilano | Atlanta Braves | C | Gabriela Mistral High School |
| 36.0 | Jarrod Saltalamacchia | Atlanta Braves | C | Royal Palm Beach High School |
| 37.0 | Adam Jones | Seattle Mariners | SS/P | Samuel F. B. Morse High School |
Question:
What's the total number of picks for mckinney high school?
Answer:
31.0