user: Question: How was the player in the position of Center acquired?
Columns: ['Name', 'Position', 'Number', 'School/Club Team', 'Season', 'Acquisition via']
Types: ['text', 'text', 'real', 'text', 'text', 'text']
Sample row: ['Asi Taulava', 'Center', 88.0, 'BYU-Hawaii', '2007-2010', 'Trade']
SQL:

assistant: SELECT "Acquisition via" FROM "Table" WHERE "Position" = 'Center';