user: Question: The player is Tim Regan anD the pick # is position of D, what's the sum?
Columns: ['Pick #', 'MLS team', 'Player', 'Position', 'Affiliation']
Types: ['real', 'text', 'text', 'text', 'text']
Sample row: [11.0, 'D.C. United', '* Brian Carroll', 'M', 'Wake Forest University']
SQL:

assistant: SELECT SUM("Pick #") FROM "Table" WHERE "Position" = 'D' AND "Player" = 'Tim Regan';