What is the constructor when the Q1 order is 4?
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 "constructor" FROM "qualifying" WHERE "q1_order"=4;