What is a combined discovery and do you have to answer it? What is normal fee for using this?
Need more information. But, you should show it to a local lawyer. Most will answer one question without charge.
For useful info take a look at these sites:
http://www.legal-advice-library.info
http://www.austin-texas-lawyers-attorneys-directory.com/austin-legal-services.htm
http://www.san-diego-lawyer-attorney-personal-injury-dui-car-immigration.info
http://sandiegolawyerforyou.com/san-diego-criminal-law.htm
http://www.san-antonio-texas-lawyers-attorneys-directory.com
http://legal-advice-library.info/blog