Audience from The Gate (10)
I believe the answer is:
attendance
I believe this clue is a double definition.
'audience' is the first definition.
(thesaurus)
'the gate' is the second definition.
(thesaurus)
'from' is the link.
(Other definitions for attendance that I've seen before include "how many are watching?" , "Number present" , "Service" , "Presence; gate" , "People present" .)