/**
 * Implements hook_node_search_result().
 */
function {{ machine_name }}_node_search_result($node) {
  $comments = db_query('SELECT comment_count FROM {node_comment_statistics} WHERE nid = :nid', array('nid' => $node->nid))->fetchField();
  return array('comment' => format_plural($comments, '1 comment', '@count comments'));
}