user: Question: Which venue had 5000 m notes in 2009 with a 1st position?
Columns: ['Year', 'Competition', 'Venue', 'Position', 'Notes']
Types: ['real', 'text', 'text', 'text', 'text']
Sample row: [2004.0, 'World Junior Championships', 'Grosseto , Italy', '4th (heats)', '800 m']
SQL:

assistant: SELECT "Venue" FROM "Table" WHERE "Notes" = '5000 m' AND "Year" = 2009.0 AND "Position" = '1st';