https://school.programmers.co.kr/learn/challenges?page=1&languages=mysql&order=recent
select animal_id, animal_type, name
from animal_ins
inner join (
select animal_id as animal_id1, sex_upon_outcome
from animal_outs
where sex_upon_outcome like '%Spayed%' or sex_upon_outcome like '%Neutered%'
) join1 on animal_ins.animal_id = join1.animal_id1
where animal_ins.sex_upon_intake like '%Intact%'
order by animal_id