CREATE TABLE table_42719 ("Outcome" CLOB, "Date" CLOB, "Surface" CLOB, "Partner" CLOB, "Opponents" CLOB, "Score" CLOB)

What is the Outcome when the partner was kristof vliegen?
SELECT "Outcome" FROM table_42719 WHERE "Partner" = 'kristof vliegen'
SELECT "Outcome" FROM "table_42719" WHERE "Partner" = 'kristof vliegen'