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_1499791_2 (yankton_yanktonai VARCHAR, southern_lakota VARCHAR)

### Question ###
Name the yankton yanktonai for wičháša

### Accurate SQL ###

SELECT yankton_yanktonai FROM table_1499791_2 WHERE southern_lakota = "wičháša"