CREATE TABLE table_54335 ("Area" TEXT, "Name" TEXT, "Zone" TEXT, "Group ( s ) " FLOAT, "Parties" FLOAT, "Max People" FLOAT, "Camp Type" TEXT)

Which zone has max capacity of 23 in a group under 2 at Robbers Roost?
SELECT "Zone" FROM table_54335 WHERE "Max People" > '23' AND "Group(s)" < '2' AND "Name" = 'robbers roost'
SELECT "Zone" FROM "table_54335" WHERE "Group(s)" < '2' AND "Max People" > '23' AND "Name" = 'robbers roost'