. "previous district" . "Whitby\u2014Oshawa (provincial electoral district)" . . . "
Whitby\u2014
Oshawa" . . "Whitby\u2014
Oshawa" . . "provincial riding of the same name" . "Whitby\u2014Oshawa (provincial electoral district)" . . . "Whitby" . "Whitby-Oshawa" . . . "Whitby\u2014Oshawa" .