How many figures are named for security forces in 1998?
CREATE TABLE table_21636599_2 (security_forces VARCHAR, period VARCHAR)
SELECT COUNT(security_forces) FROM table_21636599_2 WHERE period = 1998
### Context: CREATE TABLE table_21636599_2 (security_forces VARCHAR, period VARCHAR) ### Question: How many figures are named for security forces in 1998? ### Answer: SELECT COUNT(security_forces) FROM table_21636599_2 WHERE period = 1998