-- Database schema
| train : id [ INT ] primary_key , train_number [ INT ] , name [ TEXT ] , origin [ TEXT ] , destination [ TEXT ] , time [ TEXT ] , interval [ TEXT ] | station : id [ INT ] primary_key , network_name [ TEXT ] , services [ TEXT ] , local_authority [ TEXT ] | route : train_id [ INT ] primary_key route.train_id = train.id , station_id [ INT ] route.station_id = station.id | weekly_weather : station_id [ INT ] primary_key weekly_weather.station_id = station.id , day_of_week [ TEXT ] , high_temperature [ INT ] , low_temperature [ INT ] , precipitation [ INT ] , wind_speed_mph [ INT ] |
-- -- How many trains have 'Express' in their names?

SELECT count(*) FROM train WHERE name LIKE "%Express%";