Context: CREATE TABLE MATCH (winning_pilot VARCHAR); CREATE TABLE pilot (name VARCHAR, age INTEGER, pilot_id VARCHAR)
Question: find the name and age of the pilot who has won the most number of times among the pilots who are younger than 30.
Answer: 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