AND value NOT IN ('""', '[]', '"NA"', '"N/A"', '[""]', '["-"]', '["/"]')
AND NOT EXISTS (SELECT 1 FROM answers a2 WHERE a.question_id = a2.question_id AND a.nren_id = a2.nren_id AND a2.id > a.id)
AND question_id IN (16402,16405,16406,16407,16408,16409,16410,16413,16414,16416,16417,16418,16419,16420,16422,16426,16429,16430,16432,16433,16434,16435,16438,16439,16446,16448,16449,