CREATE TABLE "2009_tt_results" (
  "race" text,
  "position" text,
  "time" text,
  "speed" text,
  "replica" text
);

Question: Whice race ended with a DNF?
SQL: SELECT "race" FROM "2009_tt_results" WHERE "position"='dnf';

Question: Which race ended with a time of 01:46:59.69?
SQL: SELECT "race" FROM "2009_tt_results" WHERE "time"='01:46:59.69';

Question: What was the speed of the Superbike race?
SQL: SELECT "speed" FROM "2009_tt_results" WHERE "race"='superbike';

Question: What was the speed of the race that ended in 2nd place and had a time of 01:13:03.39?
SQL: SELECT "speed" FROM "2009_tt_results" WHERE "position"='2nd' AND "time"='01:13:03.39';