You will be given a definition of a task first, then some input of the task.
Generate a correct and concise answer for the question based on the words in the context.

Context : The North American Tour, also referred to as the Wish You Were Here Tour, was a concert tour by the British progressive rock band Pink Floyd in 1975 in support of their forthcoming album Wish You Were Here.
Question : The point in time of Wish You Were Here Tour was when?
Output:
1975