user: Question: Name the last for Softball before 2000
Columns: ['Last', 'First', 'Year', 'Sport', 'Country']
Types: ['text', 'text', 'real', 'text', 'text']
Sample row: ['Andersson', 'Jonas', 2008.0, 'Swimming', 'Sweden']
SQL:

assistant: SELECT "Last" FROM "Table" WHERE "Year" < 2000.0 AND "Sport" = 'Softball';