user: Question: In what edition was the opponent team Zimbabwe? 
Columns: ['Outcome', 'Edition', 'Opponent Team', 'Surface', 'Partner', 'Opponents', 'Score']
Types: ['text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Winners', '2008 Europe/Africa Group IIIA', 'Zimbabwe', 'Clay', 'Helene Auensen', 'Denise Atzinger Charlene Tsangamwe', '6–4, 6–1']
SQL:

assistant: SELECT "Edition" FROM "Table" WHERE "Opponent Team" = 'Zimbabwe';