Plot.plot({
marks: [
Plot.dot(cars, {x:"Horsepower", y:"Weight_in_lbs", fill:"red", opacity:0.4}),
Plot.dot(cars, {filter: d => d.Horsepower > 220, x:"Horsepower", y:"Weight_in_lbs", strokeWidth:1, stroke: "black"}),
Plot.text(cars, {filter: d => d.Horsepower > 220, x:"Horsepower", y:"Weight_in_lbs", text:"Name", dy:-10, textAnchor: "end"}),
]
});