CREATE TABLE "table1_18602462_22" (
  "athlete" text,
  "class" text,
  "event" text,
  "round_of_32" text,
  "round_of_16" text,
  "quarterfinals" text,
  "semifinals" text,
  "final_bronze_medal_match" text
);

Question: What is the semifinal result for Dorrie Timmermans-Van Hall?
SQL: SELECT "semifinals" FROM "table1_18602462_22" WHERE "athlete"='Dorrie Timmermans-Van Hall';

Question: What is the round of 16 result for Jiske Griffioen Esther Vergeer?
SQL: SELECT "round_of_16" FROM "table1_18602462_22" WHERE "athlete"='Jiske Griffioen Esther Vergeer';

Question: The semifinal score of vergeer ( ned ) l 0-6, 1-6 follows a round of 16 result of what?
SQL: SELECT "round_of_16" FROM "table1_18602462_22" WHERE "semifinals"='Vergeer ( NED ) L 0-6, 1-6';

Question: How many round of 32 results are followed by Polidori ( Ita ) w 6-1, 3-6, 6-3 in the round of 16?
SQL: SELECT COUNT("round_of_32") FROM "table1_18602462_22" WHERE "round_of_16"='Polidori ( ITA ) W 6-1, 3-6, 6-3';