my $up = qq/ UPDATE Prior_to_CI_calc_A_${region} SET SUM_wi = $SUM_Weight_wi, Sum_wixi_x_1000 = $SUM_wixi_x_1000_fill, Sum_wi2xi_x_1000 = $SUM_wi2xi_x_1000_fill WHERE Aggregated_area LIKE '$Aggregated_area_fill' AND Cause LIKE '$Cause_fill' /;