Im using this for ee code
{exp:query sql="SELECT cat_id, cat_name AS category_name, cat_description as category_description FROM exp_categories WHERE cat_url_title = '{segment_2}'"}
<h1>{category_name}</h1>
{category_description}
{/exp:query}
this is my html
<ul>
<li>Item</li>
<li>Item</li>
<li>Item</li>
<li>Item</li>
and it displays raw html output.
EE version 2.3.1