@article {1259396,
	title = {Tight Lower Bounds for Differentially Private Selection},
	journal = {in the 58th Annual Symposium on Foundations of Computer Science (FOCS 2017)},
	year = {2017},
	url = {https://arxiv.org/abs/1704.03024},
	author = {Thomas Steinke and Jonathan Ullman}
}
