What is the sum of other liabilities in 2019 and 2018?
{"Lease liabilities": {"2019": 28046, "2018": "$\u2014"}, "Other": {"2019": 708, "2018": 534}, "Total other non-current liabilities": {"2019": 28754, "2018": 534}}
other_2019 = df["Other"]["2019"]
other_2018 = df["Other"]["2018"]
answer = other_2019 + other_2018