title: How to select rows which have same value in some column
body: <p>I have data table "menu" like this</p>
  
  <pre><code>id     name             type
  -----------------------------
  10     tea              drink
  20     krabby patties   food
  30     coffee           drink
  40     kelpo            food
  50     kelp shake       drink
  </code></pre>
  
  <p>I want to select all <code>id</code> of <code>drink</code>, like this</p>
  
  <pre><code>id
  ---
  10
  30
  50
  </code></pre>
  
  <p>i'm sorry, can you help me?</p>