CREATE TABLE MATCH (winning_pilot VARCHAR); CREATE TABLE pilot (name VARCHAR, age INTEGER, pilot_id VARCHAR)
find the name and age of the pilot who has won the most number of times among the pilots who are younger than 30.
SELECT t1.name, t1.age FROM pilot AS t1 JOIN MATCH AS t2 ON t1.pilot_id = t2.winning_pilot WHERE t1.age < 30 GROUP BY t2.winning_pilot ORDER BY COUNT(*) DESC LIMIT 1