user: Question: What is the sum of the pick of the Guard position player?
Columns: ['Player', 'Round', 'Pick', 'Position', 'NFL Club']
Types: ['text', 'real', 'real', 'text', 'text']
Sample row: ['Bobby Watkins', 2.0, 23.0, 'Halfback', 'Chicago Bears']
SQL:

assistant: SELECT SUM("Pick") FROM "Table" WHERE "Position" = 'Guard';