When svein tuft is the winner what is the highest stage?
CREATE TABLE table_28298471_14 (stage INTEGER, winner VARCHAR)
SELECT MAX(stage) FROM table_28298471_14 WHERE winner = "Svein Tuft"
### Context: CREATE TABLE table_28298471_14 (stage INTEGER, winner VARCHAR) ### Question: When svein tuft is the winner what is the highest stage? ### Answer: SELECT MAX(stage) FROM table_28298471_14 WHERE winner = "Svein Tuft"