CREATE TABLE table_6293 ("County" CLOB, "Area  ( acres ) " CLOB, "Area  ( km\\u00b2 ) " FLOAT, "Population" FLOAT, "Population Density  ( per km 2  ) " FLOAT)

What is the area (km ) of Nairnshire county, which has a population less than 11,050?
SELECT SUM("Area (km\u00b2)") FROM table_6293 WHERE "County" = 'nairnshire' AND "Population" < '11,050'
SELECT SUM("Area (km\u00b2)") FROM "table_6293" WHERE "County" = 'nairnshire' AND "Population" < '11,050'