Question: What are the civilian total when the security force total is 36?
SQL: SELECT "Civilians" FROM "1-21636599-2" WHERE "Security forces" = '36';

Question: What are the security forces when the civilians are 202?
SQL: SELECT "Security forces" FROM "1-21636599-2" WHERE "Civilians" = '202';

Question: How many figures are named for security forces in 1998?
SQL: SELECT COUNT("Security forces") FROM "1-21636599-2" WHERE "Period" = 1998.0;

Question: How many insurgents are there when the total per period is 156?
SQL: SELECT "Insurgents" FROM "1-21636599-2" WHERE "Total per period" = 156.0;