user: Question: How many Giro positions are associated with the year 1971 and Tour final positions over 50?
Columns: ['Rider', 'Year', 'Final Position - Giro', 'Final Position - Tour', 'Final Position - Vuelta']
Types: ['text', 'real', 'real', 'real', 'real']
Sample row: ['Eduardo Chozas', 1990.0, 11.0, 6.0, 33.0]
SQL:

assistant: SELECT COUNT("Final Position - Giro") FROM "Table" WHERE "Year" = 1971.0 AND "Final Position - Tour" > 50.0;