CREATE TABLE table_31049 ("City/Municipality" TEXT, "Population  ( 2010 ) " FLOAT, "Area  ( km\\u00b2 ) " TEXT, "Pop. density  ( per km\\u00b2 ) " TEXT, "Income Classification" TEXT)

When 106 is the area in kilometers squared what is the city/municipality?
SELECT "City/Municipality" FROM table_31049 WHERE "Area (km\u00b2)" = '106'
SELECT "City/Municipality" FROM "table_31049" WHERE "Area (km\u00b2)" = '106'