What is the value of Pega Cloud as a percentage of the total ACV in 2019?
{"Maintenance": {"2019": 292696, "2018": 269708, "Reported": 22988, "": 9, "Constant currency": 8}, "Term": {"2019": 231267, "2018": 190349, "Reported": 40918, "": 21, "Constant currency": 21}, "Client Cloud": {"2019": 523963, "2018": 460057, "Reported": 63906, "": 14, "Constant currency": 14}, "Pega Cloud": {"2019": 169329, "2018": 109973, "Reported": 59356, "": 54, "Constant currency": 54}, "Total ACV": {"2019": 693292, "2018": 570030, "Reported": 123262, "": 22, "Constant currency": 22}}
pega_cloud_2019 = df["Pega Cloud"]["2019"]
total_acv_2019 = df["Total ACV"]["2019"]
answer = pega_cloud_2019 / total_acv_2019 * 100.0