If you have some form of auditing set up, then it depends on exactly what you're using to audit and how it's configured. If you don't have any auditing set up, then you can't get that info.
Gail Shaw
Microsoft Certified Master: SQL Server, MVP, M.Sc (Comp Sci)
SQL In The Wild: Discussions on DB performance with occasional diversions into recoverability
We walk in the dark places no others will enter
We stand on the bridge and no one may pass