user: Question: What is the number of chapters listed for the Fraternity with a headquarters in Austin, Texas?
Columns: ['Member', 'Headquarters', 'Classification', 'Chapters', 'Founded', 'UCCFS']
Types: ['text', 'text', 'text', 'real', 'text', 'real']
Sample row: ['Alpha Nu Omega', 'Baltimore, Maryland', 'Fraternity & Sorority', 26.0, '1988 at Morgan State University', 2006.0]
SQL:

assistant: SELECT "Chapters" FROM "Table" WHERE "Classification" = 'Fraternity' AND "Headquarters" = 'Austin, Texas';