CREATE TABLE table_56643 ("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 is the mult value of the microprocessor with a release date q4 2007 and model number pentium dual-core t2310?
SELECT "Mult." FROM table_56643 WHERE "Release date" = 'q4 2007' AND "Model number" = 'pentium dual-core t2310'
SELECT "Mult." FROM "table_56643" WHERE "Model number" = 'pentium dual-core t2310' AND "Release date" = 'q4 2007'