CREATE TABLE "rocket_propelled" (
  "name_designation" text,
  "year_of_intro" real,
  "country_of_origin" text,
  "primary_cartridge" text,
  "type" text
);

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 "rocket_propelled" WHERE "type"='disposable' AND "primary_cartridge"='105mm' AND "year_of_intro"<2008;

Question: What is Country of Origin, when Year of Intro is 1977?
SQL: SELECT "country_of_origin" FROM "rocket_propelled" WHERE "year_of_intro"=1977;

Question: What is Country of Origin, when Year of Intro is greater than 1985, and when Primary Cartridge is 125mm?
SQL: SELECT "country_of_origin" FROM "rocket_propelled" WHERE "year_of_intro">1985 AND "primary_cartridge"='125mm';

Question: What is the total number of Year of Intro(s), when Country of Origin is Soviet Union, when Type is Reusable, when Primary Cartridge is 40mm, and when Name/ Designation is RPG-29?
SQL: SELECT COUNT("year_of_intro") FROM "rocket_propelled" WHERE "country_of_origin"='soviet union' AND "type"='reusable' AND "primary_cartridge"='40mm' AND "name_designation"='rpg-29';