CREATE TABLE table_29474407_11 (country_of_origin VARCHAR, name__designation VARCHAR)

What country made the Flieger-Doppelpistole 1919?
SELECT country_of_origin FROM table_29474407_11 WHERE name__designation = "Flieger-Doppelpistole 1919"
SELECT "country_of_origin" FROM "table_29474407_11" WHERE "Flieger-Doppelpistole 1919" = "name__designation"