CREATE TABLE table_50820 ("Model number" TEXT, "sSpec number" TEXT, "Frequency" TEXT, "L2 cache" TEXT, "Mult." TEXT, "Voltage" TEXT, "Socket" TEXT, "Release date" TEXT, "Part number ( s ) " TEXT, "Release price  (  USD  ) " TEXT)

What was the release price of the Atom Z510PT processor?
SELECT "Release price ( USD )" FROM table_50820 WHERE "Model number" = 'atom z510pt'
SELECT "Release price ( USD )" FROM "table_50820" WHERE "Model number" = 'atom z510pt'