question: If the Cuatro Cañadas municipality percentage is 252, what are all the San Antonio de Lomerío municipality percentage?
answer: SELECT san_antonio_de_lomerío_municipality___percentage_ FROM table_19998428_3 WHERE cuatro_cañadas_municipality___percentage_ = "252"
context: CREATE TABLE table_19998428_3 (san_antonio_de_lomerío_municipality___percentage_ VARCHAR, cuatro_cañadas_municipality___percentage_ VARCHAR)