CREATE TABLE table_22739 ("Mother Tongue" TEXT, "Population  ( 2006 ) " FLOAT, "Percentage  ( 2006 ) " TEXT, "Population  ( 2011 ) " FLOAT, "Percentage  ( 2011 ) " TEXT)

What is every value for population (2006) with a Romanian mother tongue?
SELECT "Population (2006)" FROM table_22739 WHERE "Mother Tongue" = 'Romanian'
SELECT "Population (2006)" FROM "table_22739" WHERE "Mother Tongue" = 'Romanian'