CREATE TABLE table_64893 ("Size" TEXT, "Density" TEXT, "Tracks" FLOAT, "Coercivity" TEXT, "Unformatted capacity per side" TEXT)

What is the unformatted capacity per side if the size is 8in?
SELECT "Unformatted capacity per side" FROM table_64893 WHERE "Size" = '8in'
SELECT "Unformatted capacity per side" FROM "table_64893" WHERE "Size" = '8in'