<%= form_for [@question, answer, @comment] do |f| %>
  <%= f.hidden_field :commentable_type, :value => "Answer" %>
  <%= f.label :content %>
  <%= f.text_field :content %>

  <%= f.submit %>

<% end %>

<%= form_for [@question, answer, @comment] do |f| %>
  <%= f.hidden_field :commentable_type, :value => "Answer" %>
  <%= f.hidden_field :commentable_id, :value => @question.id %>
  <%= f.label :content %>
  <%= f.text_field :content %>
  <%= f.submit %>

<% end %>

Clean up new answer form
Clean up new answer form
