user: Question: What year was the ranking 1?
Columns: ['Year', 'Start', 'Qual', 'Rank', 'Finish', 'Laps']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['1950', '–', '–', '–', '–', '–']
SQL:

assistant: SELECT "Year" FROM "Table" WHERE "Rank" = '1';