user: Question: Name the athlete for Bulgaria with rank less than 22
Columns: ['Rank', 'Time', 'Wind (m/s)', 'Athlete', 'Nation', 'Date', 'Location']
Types: ['real', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: [1.0, '10.49', '0.0', 'Florence Griffith-Joyner', 'United States', '16 July 1988', 'Indianapolis']
SQL:

assistant: SELECT "Athlete" FROM "Table" WHERE "Rank" < 22.0 AND "Nation" = 'Bulgaria';