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_77858 ( "Code" real, "Type" text, "Name" text, "Area (km 2 )" real, "Population" real, "Regional County Municipality" text, "Metropolitan area" text, "Region" real )

### Question ###
What is the largest area with a Code of 66097, and a Region larger than 6?

### Accurate SQL ###

SELECT MAX("Area (km 2 )") FROM table_77858 WHERE "Code" = '66097' AND "Region" > '6'