user: Question: What team has a National league in 2001?
Columns: ['Year', 'Player', 'Team', 'League', 'Position']
Types: ['real', 'text', 'text', 'text', 'text']
Sample row: [1971.0, 'Willie Mays Category:Articles with hCards †', 'San Francisco Giants', 'National', 'Outfielder']
SQL:

assistant: SELECT "Team" FROM "Table" WHERE "League" = 'National' AND "Year" = 2001.0;