SELECT MIN(area__km²_) FROM table_name_26 WHERE province = "napoli" AND comune = "piano di sorrento" AND total__km²_ < 121.14
Berapa piano dimorrento, polili liwes km2 dengan total kecil dari 121,14 km2?
CREATE TABLE table_name_26 (area__km²_ INTEGER, total__km²_ VARCHAR, province VARCHAR, comune VARCHAR)