Actually it was the Ulster Unionist MP Enoch Powell that named it the "West Lothian Question" after Tam Dalyell had used Blackburn, West Lothian as an example in a discussion about the English town Blackburn, Lancashire.
And regarding the Heart of Midlothian, it's cobblestone heart on eastside St. Giles Cathedral very close to the Royal Mile, Edinburgh. The Old Tolbooth where Deacon Brodie was hanged on 1 October 1788 was very close to this heart.
This concludes the history and geography lesson from Oslo today