If the Cuatro Cañadas municipality percentage is 252, what are all the San Antonio de Lomerío municipality percentage?
create table table_19998428_3 (san_antonio_de_lomerío_municipality___percentage_ varchar, cuatro_cañadas_municipality___percentage_ varchar, PRIMARY KEY (san_antonio_de_lomerío_municipality___percentage_))
select san_antonio_de_lomerío_municipality___percentage_ from table_19998428_3 where cuatro_cañadas_municipality___percentage_ = "252"