How many total passengers are in any airport with the word London in its name?
select sum(total_passengers) from airport where airport_name like "%london%"
How many International?
select sum(international_passengers) from airport where airport_name like "%london%"
How about Transit?
select sum(transit_passengers) from airport where airport_name like "%london%"
How about Domestic?
select sum(domestic_passengers) from airport where airport_name like "%london%"