custom value for the most recent post

itried to write a code to get the value of the custon key “sofar” in the category id 3 but it dosent seem to work can anybody tell me where i went wrong?

<? $stry = new WP_Query();
  $stry-> query('cat=3&showpost=1');
  while($stry->have_posts()) : $stry->the_post();
  get_post_custom_values('sofar');?>