Oscar role for Julia (4)
I believe the answer is:
erin
'oscar role for julia' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for erin that I've seen before include "(Literary name for) Ireland" , "Ireland (poet.)" , "Let ... Remember (song)" , "Literary term for Ireland" , "Another name for 11 ac" .)