user: Question: What Venue held the World Race Walking Cup tourney before 2008?
Columns: ['Year', 'Tournament', 'Venue', 'Result', 'Event']
Types: ['real', 'text', 'text', 'text', 'text']
Sample row: [2005.0, 'World Championships', 'Helsinki, Finland', '28th', '20 km']
SQL:

assistant: SELECT "Venue" FROM "Table" WHERE "Year" < 2008.0 AND "Tournament" = 'World Race Walking Cup';