Which actor should win the Oscar for his performance in a supporting role? (poll 8585640)

Which actor should win the Oscar for his performance in a supporting role?

Edward Norton, "Birdman"

Robert Duvall, "The Judge"

J. K. Simmons, "Whiplash"

Mark Ruffalo, "Foxcatcher"

Ethan Hawke, "Boyhood"

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See this poll on: https://poll.fm/8585640/embed