CREATE TABLE table_22497 ("Athlete" CLOB, "Class" CLOB, "Event" CLOB, "Round of 32" CLOB, "Round of 16" CLOB, "Quarterfinals" CLOB, "Semifinals" CLOB, "Final/ Bronze medal match" CLOB)

What is the semifinal result for Dorrie Timmermans-Van Hall?
SELECT "Semifinals" FROM table_22497 WHERE "Athlete" = 'Dorrie Timmermans-Van Hall'
SELECT "Semifinals" FROM "table_22497" WHERE "Athlete" = 'Dorrie Timmermans-Van Hall'