user: Question: What is the earliest year of C position player Gary Bergen?
Columns: ['Year', 'Round', 'Player', 'Nationality', 'Position', 'College/High School/Club']
Types: ['real', 'text', 'text', 'text', 'text', 'text']
Sample row: [1947.0, '1', 'Dick Holub', 'United States', 'C', 'Long Island']
SQL:

assistant: SELECT MIN("Year") FROM "Table" WHERE "Position" = 'C' AND "Player" = 'Gary Bergen';