Table schema:
CREATE TABLE table_name_74 (country_of_origin VARCHAR, year_of_intro VARCHAR, type VARCHAR, primary_cartridge VARCHAR)

Question: What is Country of Origin, when Type is Disposable, when Primary Cartridge is 105mm, and when Year of Intro is less than 2008?
SQL: SELECT country_of_origin FROM table_name_74 WHERE type = "disposable" AND primary_cartridge = "105mm" AND year_of_intro < 2008