SCHEMA:
CREATE TABLE table_name_73 (mult VARCHAR, release_date VARCHAR, model_number VARCHAR)
USER:
What is the mult value of the microprocessor with a release date q4 2007 and model number pentium dual-core t2310?

QUERY:
SELECT mult FROM table_name_73 WHERE release_date = "q4 2007" AND model_number = "pentium dual-core t2310"