Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_19998428_3 (san_antonio_de_lomerío_municipality___percentage_ VARCHAR, language VARCHAR)

### Question ###
If the language is only native, what is the percentage of the San Antonio de Lomerio municipality?

### Accurate SQL ###

SELECT san_antonio_de_lomerío_municipality___percentage_ FROM table_19998428_3 WHERE language = "Only native"