user: Question: what type of organization is Sigma Phi Omega?
Columns: ['Letters', 'Organization', 'Nickname', 'Founding Date', 'Founding University', 'Type']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['αΚΔΦ', 'alpha Kappa Delta Phi 1', '"KDPhi"', '1990-02-07', 'University of California, Berkeley', 'Sorority']
SQL:

assistant: SELECT "Type" FROM "Table" WHERE "Organization" = 'Sigma Phi Omega';