CREATE TABLE table_204_185 (id DECIMAL, "location" TEXT, "town" TEXT, "output  ( mw ac ) " DECIMAL, "modules" DECIMAL, "number of arrays" DECIMAL)

what was the only town with two project locations ?
SELECT "town" FROM table_204_185 GROUP BY "town" HAVING COUNT("location") = 2
SELECT "town" FROM "table_204_185" GROUP BY "town" HAVING COUNT("location") = 2