CREATE TABLE table_51064 ("Model number" TEXT, "sSpec number" TEXT, "Frequency" TEXT, "GPU frequency" TEXT, "L2 cache" TEXT, "I/O bus" TEXT, "Memory" TEXT, "Socket" TEXT, "Release date" TEXT, "Part number ( s ) " TEXT)

What is Release Date, when sSpec Number is SLBZE(C0)SLBR8?
SELECT "Release date" FROM table_51064 WHERE "sSpec number" = 'slbze(c0)slbr8'
SELECT "Release date" FROM "table_51064" WHERE "sSpec number" = 'slbze(c0)slbr8'