Incorrect syntax near 's'. Unclosed quotation mark after the character string ''.

exec RE_GetCityByStateAndCounty 'Maryland','saint mary's'System.Threading.ThreadAbortException: Thread was being aborted. at System.Threading.Thread.AbortInternal() at System.Threading.Thread.Abort(Object stateInfo) at System.Web.HttpResponse.End() at sqlDataHelper.ExecuteDataset(String sql) at HomeImprovement.LocationSEO.LoadTabContentsData() in d:\SEO\contractors.buyerlink.com\LocationSEO.aspx.cs:line 821System.Threading.ThreadAbortException: Thread was being aborted. at HomeImprovement.LocationSEO.LoadTabContentsData() in d:\SEO\contractors.buyerlink.com\LocationSEO.aspx.cs:line 850 at HomeImprovement.LocationSEO.Page_Load(Object sender, EventArgs e) in d:\SEO\contractors.buyerlink.com\LocationSEO.aspx.cs:line 174