Have relevance? Pinter a problem? (7)
I believe the answer is:
pertain
'have relevance?' is the definition.
(I've seen this before)
'pinter a problem?' is the wordplay.
'problem?' indicates an anagram (I've seen 'problem' mean this).
'pinter'+'a'='pintera'
'pintera' anagrammed gives 'PERTAIN'.
(Other definitions for pertain that I've seen before include "Be related or applicable (to something)" , "Be relevant, or belong as part" , "Painter inclined to be relevant" , "Relate (to), apply (to)" , "Have relevance" .)