CREATE TABLE table_69225 ("Pick" FLOAT, "Player" TEXT, "Team" TEXT, "Position" TEXT, "School" TEXT)

What's the total number of picks for mckinney high school?
SELECT SUM("Pick") FROM table_69225 WHERE "School" = 'mckinney high school'
SELECT SUM("Pick") FROM "table_69225" WHERE "School" = 'mckinney high school'