CREATE TABLE table_20777 ("Model number" TEXT, "sSpec number" TEXT, "Frequency" TEXT, "L2 cache" TEXT, "FSB" TEXT, "Mult." TEXT, "Voltage" TEXT, "TDP" TEXT, "Socket" TEXT, "Release date" TEXT, "Part number ( s ) " TEXT, "Release price  (  USD  ) " TEXT)

What is the release date of part 80525py500512bx80525u500512bx80525u500512e?
SELECT "Release date" FROM table_20777 WHERE "Part number(s)" = '80525PY500512BX80525U500512BX80525U500512E'
SELECT "Release date" FROM "table_20777" WHERE "Part number(s)" = '80525PY500512BX80525U500512BX80525U500512E'