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_37577 ( "Name" text, "Style" text, "Opened" real, "Manufacturer" text, "Themed Area" text )

### Question ###
Which Opened is the highest one that has a Themed Area of aerial park, and a Manufacturer of zamperla?

### Accurate SQL ###

SELECT MAX("Opened") FROM table_37577 WHERE "Themed Area" = 'aerial park' AND "Manufacturer" = 'zamperla'