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_18220102_1 ( number_of_screening VARCHAR, opening_film VARCHAR )

### Question ###
How many number of screenings have an opening film of the journey of vaan nguyen?

### Accurate SQL ###

SELECT COUNT(number_of_screening) FROM table_18220102_1 WHERE opening_film = "The Journey of Vaan Nguyen"