var module_data = {
    "question": "Was good at explaining things",
    "N/A": 0.02763018065887354,
    "Disagree": 0.10839532412327312,
    "Neither Agree nor Disagree": 0.13177470775770456,
    "Agree": 0.7321997874601488
};

var columns = ["N/A", "Disagree", "Neither Agree nor Disagree", "Agree"];

var chart = pieChart()
    .width(400)
    .height(400)
    .margin({
        top: 20,
        bottom: 20,
        left: 80,
        right: 100
    })
    .columns(columns);

var container = d3.select("body")
    .datum(module_data)
    .call(chart);