CREATE TABLE table_58594 ("Date" TEXT, "Opponent" TEXT, "Score" TEXT, "Loss" TEXT, "Attendance" FLOAT, "Record" TEXT)

How many attended the game on April 17?
SELECT SUM("Attendance") FROM table_58594 WHERE "Date" = 'april 17'
SELECT SUM("Attendance") FROM "table_58594" WHERE "Date" = 'april 17'