user: Question: What average year has International Meeting & National Championships as the tournament?
Columns: ['Year', 'Tournament', 'Venue', 'Result', 'Event', 'Points']
Types: ['real', 'text', 'text', 'text', 'text', 'text']
Sample row: [2002.0, 'World Junior Championships', 'Kingston , Jamaica', '9th', 'Decathlon', '7142']
SQL:

assistant: SELECT AVG("Year") FROM "Table" WHERE "Tournament" = 'International Meeting & National Championships';