CREATE TABLE table_name_51 (outcome VARCHAR2, opponent VARCHAR2, tournament VARCHAR2)

What was the outcome of the match against Nguyen Tien Minh in the Bulgaria Open?
SELECT outcome FROM table_name_51 WHERE opponent = "nguyen tien minh" AND tournament = "bulgaria open"
SELECT "outcome" FROM "table_name_51" WHERE "bulgaria open" = "tournament" AND "nguyen tien minh" = "opponent"