CREATE TABLE table_63641 ("Model number" TEXT, "sSpec number" TEXT, "Frequency" TEXT, "Turbo" TEXT, "Cores" FLOAT, "L2 cache" TEXT, "L3 cache" TEXT, "I/O bus" TEXT, "Mult." TEXT, "Memory" TEXT, "Voltage" TEXT, "Socket" TEXT, "Release date" TEXT, "Part number ( s ) " TEXT, "Release price  (  USD  ) " TEXT)

What's the release date for the processor spec number SLBEQ(d0)?
SELECT "Release date" FROM table_63641 WHERE "sSpec number" = 'slbeq(d0)'
SELECT "Release date" FROM "table_63641" WHERE "sSpec number" = 'slbeq(d0)'