CREATE TABLE table_name_7 (arabic_capital_name VARCHAR2, english_capital_name VARCHAR2)

What is the name of the capital, in Arabic, that is called n'djamena in English?
SELECT arabic_capital_name FROM table_name_7 WHERE english_capital_name = "n'djamena"
SELECT "arabic_capital_name" FROM "table_name_7" WHERE "english_capital_name" = "n'djamena"