user: Question: How many years have a position of 2nd?
Columns: ['Year', 'Competition', 'Venue', 'Position', 'Event', 'Notes']
Types: ['real', 'text', 'text', 'text', 'text', 'text']
Sample row: [1994.0, 'European Championships', 'Helsinki, Finland', '11th', '10,000 m', '28:17.24']
SQL:

assistant: SELECT COUNT("Year") FROM "Table" WHERE "Position" = '2nd';