CREATE TEMPORARY TABLE foof(lbl varchar(255), Series1 int, Series2 int);

INSERT INTO foof
  values('first', 2,3),('second', 3, 4), ('third', 4,5);

PLOT
  AXISLABELS, LIGHT GRAY BAR, LIGHT RED BAR
  WITH
    TITLE "Title"
    TITLE X "X Axis"
    TITLE Y "Y Axis"
    NO SIDES
    LEGEND BOTTOM
SELECT
  lbl, Series1, Series2
  FROM foof;