user: ### NOW ANSWER:
Question: Which Year has a Competition of European Championships, and Notes of 66.81 m?
Columns: ['Year', 'Competition', 'Venue', 'Position', 'Notes']
Types: ['real', 'text', 'text', 'text', 'text']
Sample row: [2007.0, 'European U23 Championships', 'Debrecen , Hungary', '1st', '62.17 m']
SQL:

assistant: SELECT SUM("Year") FROM "Table" WHERE "Competition" = 'European Championships' AND "Notes" = '66.81 m';