Question: What is the Aircraft when Kabul was the location, Unknown fatalities, and the tail number was YA-BAN?
SQL: SELECT "Aircraft" FROM "2-158904-1" WHERE "Location" = 'Kabul' AND "Fatalities" = 'Unknown' AND "Tail number" = 'YA-BAN';

Question: What is the Fatalities when the tail number was Unknown and in Kabul>
SQL: SELECT "Fatalities" FROM "2-158904-1" WHERE "Tail number" = 'Unknown' AND "Location" = 'Kabul';

Question: What is the location for the An-12B aircraft?
SQL: SELECT "Location" FROM "2-158904-1" WHERE "Aircraft" = 'An-12B';

Question: What location had 25/25 fatalities?
SQL: SELECT "Location" FROM "2-158904-1" WHERE "Fatalities" = '25/25';

Question: What tail number was on the An-26, with 25/25 fatalities?
SQL: SELECT "Tail number" FROM "2-158904-1" WHERE "Aircraft" = 'An-26' AND "Fatalities" = '25/25';

Question: What type of aircraft was the plane with a tail number of YA-BAO?
SQL: SELECT "Aircraft" FROM "2-158904-1" WHERE "Tail number" = 'YA-BAO';