Within certain limitations it is possible, though not necessarily easy to do. The number of lines in the chart will be fixed, not variable. Each line needs to refer to a different field or delimited series of values. In FileMaker 12, you have the option of using ExecuteSQL to produce such a delimited data series. In FileMaker 11, the same result usually requires defining a relationship that matches to the set of data you want to chart in one line of the chart.