Insurance — Automobile — Rescission of policy — Material misrepresentations on application — Failure to disclose accurate marital status — Motion for summary judgment based on rescission of policy due to insured’s disclosure on policy application that he was married and that other resident driver was also married and failure to disclose that insured was married to third party, not other resident driver, is denied where there is factual issue as to marital status of insured and other resident driver