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 airport (Domestic_Passengers INTEGER, Airport_Name VARCHAR)

### Question ###
What are the total number of Domestic Passengers of airports that contain the word "London".

### Accurate SQL ###

SELECT SUM(Domestic_Passengers) FROM airport WHERE Airport_Name LIKE "%London%"