"IFNULL((SELECT 1 FROM {quiz_multichoice_user_answers} ua WHERE question_nid = nid AND question_vid = vid AND result_id = %d AND ua.answer_id = ma.answer_id),0) as user_answer, ".
"(SELECT is_correct FROM {quiz_node_results_answers} WHERE question_nid = nid AND question_vid = vid AND result_id = %d) as question_correct ".
"FROM {node} ".
"IFNULL((SELECT 1 FROM {quiz_multichoice_user_answers} ua WHERE question_nid = n.nid AND question_vid = n.vid AND result_id = %d AND ua.answer_id = ma.answer_id),0) as user_answer, ".
"(SELECT is_correct FROM {quiz_node_results_answers} WHERE question_nid = n.nid AND question_vid = n.vid AND result_id = %d) as question_correct ".
"FROM {node}n ".
"LEFT JOIN {node_revisions} USING (nid, vid) ".
"LEFT JOIN {quiz_multichoice_answers} ma USING (nid, vid)".
"WHERE nid = %d AND vid = %d",$rid,$rid,$nid,$vid);
"LEFT JOIN {quiz_multichoice_answers} ma USING (nid, vid)".
"WHERE n.nid = %d AND n.vid = %d",$rid,$rid,$nid,$vid);