Line plot with different colors

Dear Knimers,

I need to build a Line Plot with three different lines, each one on its own color. I have dates for the x-axis, and three different columns with the (integer) values of three variables to be represented on y-axis. The configuration of Color Manager node offers me just one option, which is I cannot find how to assign colors to more than one column.

I would appreciate any help.

Thanks. Rogério.