CREATE TABLE table_25442 ("Outcome" CLOB, "Year" FLOAT, "Championship" CLOB, "Surface" CLOB, "Opponent in final" CLOB, "Score in final" CLOB)

What is the amount of US open runner-up score?
SELECT COUNT("Score in final") FROM table_25442 WHERE "Championship" = 'US Open' AND "Outcome" = 'Runner-up'
SELECT COUNT("Score in final") FROM "table_25442" WHERE "Championship" = 'US Open' AND "Outcome" = 'Runner-up'