What was the result of the election featuring incumbent norman sisisky?
CREATE TABLE "table1_1341423_46" (
  "district" text,
  "incumbent" text,
  "party" text,
  "first_elected" real,
  "results" text,
  "candidates" text
);
SELECT "results" FROM "table1_1341423_46" WHERE "incumbent"='Norman Sisisky';