CREATE TABLE table_65782 ("Mother Tongue" TEXT, "Population  ( 2006 ) " FLOAT, "Percentage  ( 2006 ) " TEXT, "Population  ( 2011 ) " FLOAT, "Percentage  ( 2011 ) " TEXT)

How many people ha Romanian as their mother tongue in 2006?
SELECT MAX("Population (2006)") FROM table_65782 WHERE "Mother Tongue" = 'romanian'
SELECT MAX("Population (2006)") FROM "table_65782" WHERE "Mother Tongue" = 'romanian'