Complex sentence: The first Rockin'Johnny's Diner opened in Ottawa's Westgate Shopping Centre in June 1991; a second was opened in the Hazeldean Mall in Kanata the following year; a second Kanata restaurant would open in September 2004.
Split into simpler sentences: The first Rockin'Johnny's Diner opened in Ottawa's Westgate Shopping Centre in June 1991. A second was opened in the Hazeldean Mall in Kanata the following year; a second Kanata restaurant would open in September 2004.