user: Question: What was the latest year with a position of 1st at maputo, mozambique?
Columns: ['Year', 'Competition', 'Venue', 'Position', 'Notes']
Types: ['real', 'text', 'text', 'text', 'text']
Sample row: [2007.0, 'World Cross Country Championships', 'Mombasa , Kenya', '4th', 'Junior race']
SQL:

assistant: SELECT MAX("Year") FROM "Table" WHERE "Position" = '1st' AND "Venue" = 'maputo, mozambique';