title: Rails Mysql - find all values starting with white spacing
body: <p>How do I compose a query that finds all the values of a specific model that start with a whitespace? </p>
  
  <p>Say I have a model:
  Country with one field value. </p>
  
  <p>And say I have 3 records in the table:
  "China"
  "United States"
  " Argentina"</p>
  
  <p>I want to compose a query to find " Argentina" (starts with a whitespace).</p>