CREATE TABLE table_name_83 (score VARCHAR2, opponent_team VARCHAR2, opponent VARCHAR2)

What is Score, when Opponent Team is Belgium, and when Opponent is Kirsten Flipkens?
SELECT score FROM table_name_83 WHERE opponent_team = "belgium" AND opponent = "kirsten flipkens"
SELECT "score" FROM "table_name_83" WHERE "belgium" = "opponent_team" AND "kirsten flipkens" = "opponent"