Could someone please advise me how to generate the following graph. I am using SPSS for Power Mac, version 6.1.

I am trying to graph an interaction, with social support satisfaction on the horizontal axis and hopelessness on the vertical axis. The two lines would represent two levels (0,1) of a stress measure. I tried a 'select if' statement followed by a 'graph/line=' statement but got a mountain range instead of a line. I suspect my approach was not the best but am at a loss for a better one. Please advise, and thank you.