Availability:built-in
 [undefined]answer_count_restraintThis predicate is undefined in the sense of well founded 
semantics (see section 7.6 
and undefined/0). 
Any answer that depends on this condition is undefined because the
[undefined]answer_count_restraintThis predicate is undefined in the sense of well founded 
semantics (see section 7.6 
and undefined/0). 
Any answer that depends on this condition is undefined because the max_answers 
restraint on some table was violated.