CREATE TABLE table_name_39 (_percentage_buddhist VARCHAR2, population VARCHAR2)

What is the percentage of Buddhist when the Population is ~2.6 million (2.6million)?
SELECT _percentage_buddhist FROM table_name_39 WHERE population = "~2.6 million (2.6million)"
SELECT "_percentage_buddhist" FROM "table_name_39" WHERE "population" = "~2.6 million (2.6million)"