user: Question: What is the total number of rounds of the player with a pick of 20?
Columns: ['Draft', 'Round', 'Pick', 'Player', 'Nationality']
Types: ['real', 'real', 'real', 'text', 'text']
Sample row: [1963.0, 1.0, 1.0, 'Garry Monahan Category:Articles with hCards', 'Canada']
SQL:

assistant: SELECT SUM("Round") FROM "Table" WHERE "Pick" = 20.0;