CREATE TABLE table_name_51 (score VARCHAR, outcome VARCHAR, opponent VARCHAR)

what is the score when the outcome is winner against yevgeny kafelnikov?
SELECT score FROM table_name_51 WHERE outcome = "winner" AND opponent = "yevgeny kafelnikov"
SELECT "score" FROM "table_name_51" WHERE "opponent" = "yevgeny kafelnikov" AND "outcome" = "winner"