CREATE TABLE table_22872 ("Outcome" CLOB, "Year" FLOAT, "Championship" CLOB, "Surface" CLOB, "Partner" CLOB, "Opponents" CLOB, "Score" CLOB)

Who was her partner at the US Open and they were runner-up?
SELECT "Partner" FROM table_22872 WHERE "Championship" = 'US Open' AND "Outcome" = 'Runner-up'
SELECT "Partner" FROM "table_22872" WHERE "Championship" = 'US Open' AND "Outcome" = 'Runner-up'