What is the total attendance with a Report of sd.hr, and a Score of 3 1, and a Date of 14 apr 2001?
CREATE TABLE table_57420 (
    "Date" text,
    "Competition" text,
    "Ground" text,
    "Score" text,
    "Attendance" real,
    "Report" text
)
SELECT SUM("Attendance") FROM table_57420 WHERE "Report" = 'sd.hr' AND "Score" = '3–1' AND "Date" = '14 apr 2001'
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: What is the total attendance with a Report of sd.hr, and a Score of 3 1, and a Date of 14 apr 2001? ### Input: CREATE TABLE table_57420 (
    "Date" text,
    "Competition" text,
    "Ground" text,
    "Score" text,
    "Attendance" real,
    "Report" text
) ### Response: SELECT SUM("Attendance") FROM table_57420 WHERE "Report" = 'sd.hr' AND "Score" = '3–1' AND "Date" = '14 apr 2001'