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_1966992_1 (census_2006_population INTEGER, lga_name VARCHAR)

### Question ###
What is the maximum 2006 census population of LGA name Opobo/Nkoro?

### Accurate SQL ###

SELECT MAX(census_2006_population) FROM table_1966992_1 WHERE lga_name = "Opobo/Nkoro"