user: Question: What is the rank of the player from ukraine with react less than 0.26?
Columns: ['Rank', 'Lane', 'Athlete', 'Nationality', 'Time', 'React']
Types: ['real', 'real', 'text', 'text', 'real', 'real']
Sample row: [1.0, 9.0, 'Jeremy Wariner', 'United States', 45.23, 0.253]
SQL:

assistant: SELECT "Rank" FROM "Table" WHERE "Nationality" = 'ukraine' AND "React" < 0.26;