CREATE TABLE table_46518 ("Model Number" CLOB, "sSpec Number" CLOB, "Frequency" CLOB, "L2 Cache" CLOB, "Mult" CLOB, "Voltage" CLOB, "Socket" CLOB, "Release Date" CLOB, "Part Number ( s ) " CLOB)

What date was part number rk80533pz933256 released?
SELECT "Release Date" FROM table_46518 WHERE "Part Number(s)" = 'rk80533pz933256'
SELECT "Release Date" FROM "table_46518" WHERE "Part Number(s)" = 'rk80533pz933256'