How many people were present in West Berlin when US President JFK delivered his infamous "Ich bin ein Berliner" speech?
Approximately one million people were in attendance on June 26, 1963.
Below is an instruction that describes a task, paired with an input that provides further context. Write a response that appropriately completes the request.
### Instruction: How many people were present in West Berlin when US President JFK delivered his infamous "Ich bin ein Berliner" speech?
### Input: 
### Response: Approximately one million people were in attendance on June 26, 1963.