How many Q1 figures are given for Alexander Wurz?
CREATE TABLE "qualifying" (
  "pos" text,
  "no" real,
  "driver" text,
  "constructor" text,
  "q1_order" real,
  "q1_time" text,
  "q1_pos" real,
  "q1_q2_time" text
);
SELECT COUNT("q1_order") FROM "qualifying" WHERE "driver"='Alexander Wurz';