SELECT COUNT("Attendance") FROM table_56713 WHERE "Visitor" = 'miami' AND "Home" = 'washington'
How many people were at Washington's home game against Miami?
CREATE TABLE table_56713 (
    "Date" text,
    "Visitor" text,
    "Score" text,
    "Home" text,
    "Leading scorer" text,
    "Attendance" real,
    "Record" text
)