user: Question: what is the year when the notes is 5000 m and the competition is world junior championships in athletics?
Columns: ['Year', 'Competition', 'Venue', 'Position', 'Notes']
Types: ['real', 'text', 'text', 'text', 'text']
Sample row: [2007.0, 'World Cross Country Championships', 'Mombasa , Kenya', '5th', 'Junior race']
SQL:

assistant: SELECT "Year" FROM "Table" WHERE "Notes" = '5000 m' AND "Competition" = 'world junior championships in athletics';