CREATE TABLE "east_german_championship" (
  "race_name" text,
  "circuit" text,
  "date" text,
  "winning_driver" text,
  "constructor" text,
  "report" text
);

Question: How many winners did I Dessau Autobahnspinne have?
SQL: SELECT COUNT("winning_driver") FROM "east_german_championship" WHERE "race_name"='I Dessau Autobahnspinne';

Question: What is the date on which a race was run at Halle-Saale-Schleife circuit?
SQL: SELECT "date" FROM "east_german_championship" WHERE "circuit"='Halle-Saale-Schleife';

Question: How many races take place in Dessau circuit?
SQL: SELECT COUNT("race_name") FROM "east_german_championship" WHERE "circuit"='Dessau';

Question: Which races did Paul Greifzu win?
SQL: SELECT "race_name" FROM "east_german_championship" WHERE "winning_driver"='Paul Greifzu';