text: /* This type can be a single line */
  
  /* 
  Or it can cross mutiple lines,
  like this example
   */
  SELECT 
    first_name, 
    -- This type of comment is a single line
    last_name, 
    email, 
    country 
  FROM 
    leads -- It can be inline as well
  WHERE 
    country = 'China'