On what date did the Democratic governor that had Wallace Crossley as lieutenant governor take office?
CREATE TABLE "governors_of_missouri" (
  "governor" text,
  "took_office" text,
  "left_office" text,
  "party" text,
  "lieutenant_governor" text,
  "terms" text
);
SELECT "took_office" FROM "governors_of_missouri" WHERE "party"='democratic' AND "lieutenant_governor"='wallace crossley';