Given the rationale, provide a reasonable question and answer. Step-by-step reasoning process: To answer this question, we should know that: The first Rugby World Cup was held in 1987, hosted by Australia and New Zealand who pushed for the tournament to be approved.
The question and answer:
The first Rugby World Cup was held in 1987, hosted by Australia and New Zealand who pushed for the tournament to be approved. Since the first tournament, 7 others have been held at four-year intervals. The 2015 tournament was won by New Zealand, the cup was held from 19 September 2015 till 31 October 2015. It was held in England and Wales.

Where was the first rugby union world cup held?
The answer is Australia