SELECT san_antonio_de_lomerío_municipality___percentage_ FROM table_19998428_3 WHERE san_javier_municipality___percentage_ = 31
Berapa persentase kotamadya untuk San Antonio de Lomerio Apakah persentase kotamadya San Javier adalah 31?
CREATE TABLE table_19998428_3 (san_antonio_de_lomerío_municipality___percentage_ VARCHAR, san_javier_municipality___percentage_ VARCHAR)