CREATE TABLE table_58440 ("CDP name" TEXT, "County" TEXT, "Pop.  ( 2010 ) " FLOAT, "Land  (  sq mi  ) " FLOAT, "Water  ( sq mi ) " FLOAT, "Coordinates" TEXT, "FIPS code" FLOAT, "ANSI code" FLOAT)

Name the sum of land for ANSI code of 2390496 and population less than 7,284
SELECT SUM("Land ( sq mi )") FROM table_58440 WHERE "ANSI code" = '2390496' AND "Pop. (2010)" < '7,284'
SELECT SUM("Land ( sq mi )") FROM "table_58440" WHERE "ANSI code" = '2390496' AND "Pop. (2010)" < '7,284'