user: Question: Which zone has max capacity of 23 in a group under 2 at Robbers Roost?
Columns: ['Area', 'Name', 'Zone', 'Group(s)', 'Parties', 'Max People', 'Camp Type']
Types: ['text', 'text', 'text', 'real', 'real', 'real', 'text']
Sample row: ['AA9', 'Badger', 'Primitive', 1.0, 1.0, 17.0, 'A/L']
SQL:

assistant: SELECT "Zone" FROM "Table" WHERE "Max People" > 23.0 AND "Group(s)" < 2.0 AND "Name" = 'Robbers Roost';