title: Finding top scores over multiple columns
body: <p>If my DATA sample is </p>
  
  <pre><code>team name  score1  score2
  Adele's     15      18
  Madonna   16       3
  Britanny    9        12
  </code></pre>
  
  <p>How can I get a top 5 list of scores using both columns -
  my output should be </p>
  
  <pre><code>Adele's   18
  Madonna   16
  Adele's   15
  Britanny  12
  </code></pre>