Detailed Instructions: In this task, you're given a context, further information available on a particular linked term from the statement, and an answer term. Your job is to generate a question that can use the information provided to obtain the given answer. You should use the information on both context and link information to create the question. Note that the answer to the question should be exactly the given answer, and if the answer is none, the answer to the question shouldn't be obtainable from the context or linked information.
Q: Context: A July 25, 2019 telephone call between Trump and Ukraine president Volodymyr Zelensky Link Information:

Zelensky announced his candidacy for the 2019 Ukrainian presidential election on the evening of 31 December 2018, upstaging the New Year's Eve address of President Petro Poroshenko on 1+1 TV Channel. Six months before Zelensky announced his candidacy, he was already one of the frontrunners in opinion polls for the election. Zelensky won the election with 73.22% of the vote in the second round, defeating Poroshenko. Answer: 2019
A:
In what year was the man elected to office who Trump talked to on a July 25th phone call?