title: how get groups last column element
body: <p>How use css selector find the last element in same elements each line on python? I'm using package pyquery.</p>
  
  <p>I has tried <code>tr td:nth-child(2) .score.fill:last-child</code>, <code>tr td:nth-child(2) .score.fill:nth-last-child(1)</code>. all failed. </p>
  
  <pre class="lang-html prettyprint-override"><code>&lt;table&gt;
      &lt;tbody&gt;
          &lt;tr&gt;
              &lt;td&gt;Vote A&lt;/td&gt;
              &lt;td&gt;
                  &lt;span class="score fill"&gt;1&lt;/span&gt;
                  &lt;span class="score"&gt;2&lt;/span&gt;
                  &lt;span class="score"&gt;3&lt;/span&gt;
                  &lt;span class="score"&gt;4&lt;/span&gt;
                  &lt;span class="score"&gt;5&lt;/span&gt;
              &lt;/td&gt;
          &lt;/tr&gt;
          &lt;tr&gt;
              &lt;td&gt;Vote B&lt;/td&gt;
              &lt;td&gt;
                  &lt;span class="score fill"&gt;1&lt;/span&gt;
                  &lt;span class="score fill"&gt;2&lt;/span&gt;
                  &lt;span class="score fill"&gt;3&lt;/span&gt;
                  &lt;span class="score fill"&gt;4&lt;/span&gt;
                  &lt;span class="score fill"&gt;5&lt;/span&gt;
              &lt;/td&gt;
          &lt;/tr&gt;
          &lt;tr&gt;
              &lt;td&gt;Vote C&lt;/td&gt;
              &lt;td&gt;
                  &lt;span class="score fill"&gt;1&lt;/span&gt;
                  &lt;span class="score fill"&gt;2&lt;/span&gt;
                  &lt;span class="score fill"&gt;3&lt;/span&gt;
                  &lt;span class="score"&gt;4&lt;/span&gt;
                  &lt;span class="score"&gt;5&lt;/span&gt;
              &lt;/td&gt;
          &lt;/tr&gt;
      &lt;/tbody&gt;
  &lt;/table&gt;
  </code></pre>
  
  <p>I want get result like this:</p>
  
  <pre class="lang-html prettyprint-override"><code>&lt;span class="score fill"&gt;1&lt;/span&gt;
  &lt;span class="score fill"&gt;5&lt;/span&gt;
  &lt;span class="score fill"&gt;3&lt;/span&gt;
  </code></pre>