user: Question: What is the Position for the European U23 Championships?
Columns: ['Year', 'Competition', 'Venue', 'Position', 'Event']
Types: ['real', 'text', 'text', 'text', 'text']
Sample row: [2006.0, 'World Race Walking Cup', 'La Coruña , Spain', '6th', '20km']
SQL:

assistant: SELECT "Position" FROM "Table" WHERE "Competition" = 'European U23 Championships';