SCHEMA:
CREATE TABLE table_name_44 (score_in_the_final VARCHAR, opponent_in_the_final VARCHAR, surface VARCHAR, championship VARCHAR)
USER:
What Score in the final has a Surface of hard, a Championship of washington, d.c. , u.s., and an Opponent in the final of ivan lendl?

QUERY:
SELECT score_in_the_final FROM table_name_44 WHERE surface = "hard" AND championship = "washington, d.c. , u.s." AND opponent_in_the_final = "ivan lendl"