user: Question: What was the nationality of the athlete with a final result of 4.50?
Columns: ['Athlete', 'Nationality', '3.60', '3.80', '3.95', 'Result']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Bob Richards', 'United States', '–', '–', 'o', '4.55 OR']
SQL:

assistant: SELECT "Nationality" FROM "Table" WHERE "Result" = '4.50';