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_name_78 (year_named INTEGER, latitude VARCHAR, diameter__km_ VARCHAR)

### Question ###
What year was the geological feature with a latitude of 76.0n and a diameter larger than 548 km was named?

### Accurate SQL ###

SELECT MAX(year_named) FROM table_name_78 WHERE latitude = "76.0n" AND diameter__km_ > 548