CREATE TABLE table_6414 ("Date" TEXT, "Visitor" TEXT, "Score" TEXT, "Home" TEXT, "Record" TEXT, "Attendance" FLOAT)

How many people went to the game that had 17-13?
SELECT SUM("Attendance") FROM table_6414 WHERE "Score" = '17-13'
SELECT SUM("Attendance") FROM "table_6414" WHERE "Score" = '17-13'