Table schema:
CREATE TABLE drivers (driverid VARCHAR, surname VARCHAR); CREATE TABLE races (raceid VARCHAR); CREATE TABLE results (driverid VARCHAR, raceid VARCHAR)

Question: Find the id and surname of the driver who participated the most number of races?
SQL: SELECT T1.driverid, T1.surname FROM drivers AS T1 JOIN results AS T2 ON T1.driverid = T2.driverid JOIN races AS T3 ON T2.raceid = T3.raceid GROUP BY T1.driverid ORDER BY COUNT(*) DESC LIMIT 1