Briefing Fortinet Knowledge

What is the problem with the following SQL SELECT statement?

What is the problem with the following SQL SELECT statement?
SELECT dstip as “Destination IP” , count(*) as session FROM $log-traffic GROUP BY dstip
WHERE
5fileter and dstip is not null.

A.
The clauses are not coded in the right sequence.

B.
The clauses are not a log type.

C.
The FROM clause is not required.

D.
SQL queries are case-sensitive.