World record progression 100 metres backstroke

Columns: Time | Swimmer | Date | Place
1:05.6 | Karen Muir | July 6 , 1969 | Utrecht , Netherlands | 1:05.39 | Ulrike Richter | August 18 , 1973 | Utrecht , Netherlands | 1:04.99 ( r ) | Ulrike Richter | September 4 , 1973 | Belgrade , Yugoslavia | 1:04.78 | Wendy Cook | January 31 , 1974 | Christchurch , New Zealand | 1:04.43 | Ulrike Richter | July 8 , 1974 | Rostock , East Germany | 1:04.09 | Ulrike Richter | August 22 , 1974 | Vienna , Austria | 1:03.30 | Ulrike Richter | August 23 , 1974 | Vienna , Austria

Example questions:
Which South African province contains the city where Karen Muir swam her World Record long course 100 meter backstroke in 1:06.7 ? | In ancient times who occupied the area of the city where Ulrike Richter swam her World Record long course 100 meter backstroke in 1:04.99 ? | In 2009 , how many lived within the city limits of the city where Kaye Hall swam her World Record long course 100 meter backstroke in 1:06.2 ? | Which colony did 1812 people come from who populated the city where Elaine Tanner swam her World Record in 1:07.1 ?

Answers:
Northern Cape | Thraco-Dacians | 8.84 million | Red River Colony