CREATE TABLE table_51061 ("Model number" CLOB, "sSpec number" CLOB, "Frequency" CLOB, "GPU frequency" CLOB, "L2 cache" CLOB, "I/O bus" CLOB, "Memory" CLOB, "Socket" CLOB, "Release date" CLOB, "Part number ( s ) " CLOB)

What is Model Number, when Part Number(s) is AY80609003987AB?
SELECT "Model number" FROM table_51061 WHERE "Part number(s)" = 'ay80609003987ab'
SELECT "Model number" FROM "table_51061" WHERE "Part number(s)" = 'ay80609003987ab'