user: Question: What is the name of the venue that was used before 1991?
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 "Venue" FROM "Table" WHERE "Year" < 1991.0;