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_19948664_2 ( author___editor___source VARCHAR, ranking_la__2_ VARCHAR )

### Question ###
What was the author/editor/source when the l.a. ranking was 1st?

### Accurate SQL ###

SELECT author___editor___source FROM table_19948664_2 WHERE ranking_la__2_ = "1st"