Who was the incumbent in Virginia 3?
CREATE TABLE table_28921 (
    "District" text,
    "Incumbent" text,
    "Party" text,
    "First elected" text,
    "Result" text,
    "Candidates" text
)
SELECT "Incumbent" FROM table_28921 WHERE "District" = 'Virginia 3'
Below are sql tables schemas paired with instruction that describes a task. Using valid SQLite, write a response that appropriately completes the request for the provided tables. ### Instruction: Who was the incumbent in Virginia 3? ### Input: CREATE TABLE table_28921 (
    "District" text,
    "Incumbent" text,
    "Party" text,
    "First elected" text,
    "Result" text,
    "Candidates" text
) ### Response: SELECT "Incumbent" FROM table_28921 WHERE "District" = 'Virginia 3'