Ale, lager (4)
I believe the answer is:
I believe this clue is a double definition.
'ale' is the first definition.
(I've seen this before)
'lager' is the second definition.
(I've seen this in another clue)
(Other definitions for beer that I've seen before include "Drink brewed with malt" , ""Give me a woman who loves __ and I will conquer the world" (Kaiser Wilhelm)" , "Drink using hops, malt, etc" , "Hopped drink" , "Brewery product" .)