user: Question: What gender is allowed to attend the school that has a decile of 6 and a roll that is less than 179?
Columns: ['Name', 'Years', 'Gender', 'Area', 'Authority', 'Decile', 'Roll']
Types: ['text', 'text', 'text', 'text', 'text', 'real', 'real']
Sample row: ['Coley Street School', '1–8', 'Coed', 'Foxton', 'State', 2.0, 253.0]
SQL:

assistant: SELECT "Gender" FROM "Table" WHERE "Decile" = 6.0 AND "Roll" < 179.0;