CREATE TABLE table_28950 ("District" CLOB, "Incumbent" CLOB, "Party" CLOB, "First elected" FLOAT, "Result" CLOB, "Candidates" CLOB)

If the district is Virginia 8, who is the Incumbent?
SELECT "Incumbent" FROM table_28950 WHERE "District" = 'Virginia 8'
SELECT "Incumbent" FROM "table_28950" WHERE "District" = 'Virginia 8'