user: Question: What is the total number of rounds that joe barnes was picked?
Columns: ['Round', 'Player', 'Position', 'Nationality', 'College/Junior/Club Team']
Types: ['real', 'text', 'text', 'text', 'text']
Sample row: [1.0, 'Jack Johnson', 'Defense', 'United States', 'U.S. National Team Development Program']
SQL:

assistant: SELECT SUM("Round") FROM "Table" WHERE "Player" = 'joe barnes';