Balloted (6)
(Other definitions for polled that I've seen before include "Recorded votes of" , "Took opinions" , "Cast votes" , "Sampled opinion" .)
'balloted' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for voted that I've seen before include "Expressed preference in a ballot" , "Made choice in ballot" , "Went to the polls" , "Suggested" , "Chose" .)