CREATE TABLE table_name_49 (population__2011_ VARCHAR2, population__2006_ VARCHAR2)

What is the total number of people in 2011 speaking the mother tongue language spoken by 120 in 2006?
SELECT COUNT(population__2011_) FROM table_name_49 WHERE population__2006_ = 120
SELECT COUNT("population__2011_") FROM "table_name_49" WHERE "population__2006_" = 120