CREATE TABLE table_name_59 (area__km_2__ INT, population__2011_ VARCHAR)

What is the sum of the area in km with a population of 110 in 2011?
SELECT SUM(area__km_2__) FROM table_name_59 WHERE population__2011_ = 110
SELECT SUM("area__km_2__") FROM "table_name_59" WHERE "population__2011_" = 110