user: Question: How many years did the team place 2nd in antwerp, belgium?
Columns: ['Year', 'Tournament', 'Venue', 'Result', 'Extra']
Types: ['real', 'text', 'text', 'text', 'text']
Sample row: [1988.0, 'World Cross Country Championships', 'Auckland , New Zealand', '2nd', 'Team competition']
SQL:

assistant: SELECT COUNT("Year") FROM "Table" WHERE "Venue" = 'antwerp, belgium' AND "Result" = '2nd';