Table: conflict_stats
Columns: period
civilians
security_forces
insurgents
total_per_period

Question: How many insurgents have 602 as the total per period?
SQL: SELECT MAX("insurgents") FROM conflict_stats WHERE "total_per_period" = 602

Question: How many security forces?
SQL: SELECT MAX("security_forces") FROM conflict_stats

Question: How many insurgents have 2003 as a period?
SQL: SELECT COUNT("insurgents") FROM conflict_stats WHERE "period" = '2003'