CREATE TABLE table_18131 ("District" CLOB, "Incumbent" CLOB, "Party" CLOB, "First elected" FLOAT, "Results" CLOB, "Candidates" CLOB)

What was the result of the election featuring incumbent norman sisisky?
SELECT "Results" FROM table_18131 WHERE "Incumbent" = 'Norman Sisisky'
SELECT "Results" FROM "table_18131" WHERE "Incumbent" = 'Norman Sisisky'