How many people won the election in the district of Virginia 4?
CREATE TABLE table_28887 (
    "District" text,
    "Incumbent" text,
    "Party" text,
    "First elected" text,
    "Result" text,
    "Candidates" text
)
SELECT COUNT("Result") FROM table_28887 WHERE "District" = 'Virginia 4'
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: How many people won the election in the district of Virginia 4? ### Input: CREATE TABLE table_28887 (
    "District" text,
    "Incumbent" text,
    "Party" text,
    "First elected" text,
    "Result" text,
    "Candidates" text
) ### Response: SELECT COUNT("Result") FROM table_28887 WHERE "District" = 'Virginia 4'