CREATE TABLE "table1_2668367_21" (
  "district" text,
  "incumbent" text,
  "party" text,
  "first_elected" text,
  "result" text,
  "candidates" text
);

Question: Name the distrct for thomas wilson
SQL: SELECT "district" FROM "table1_2668367_21" WHERE "incumbent"='Thomas Wilson';

Question: Name the party for  john randolph redistricted from the 15th district
SQL: SELECT "party" FROM "table1_2668367_21" WHERE "incumbent"='John Randolph Redistricted from the 15th district';

Question: Name the party for virginia 12
SQL: SELECT "party" FROM "table1_2668367_21" WHERE "district"='Virginia 12';