World record progression 100 metres backstroke

Columns: Time | Swimmer | Date | Place
1:07.7 | Cathy Ferguson | October 14 , 1964 | Tokyo , Japan | 1:07.4 | Ann Farlie | July 23 , 1966 | Béziers , France | 1:07.3 | Elaine Tanner | July 27 , 1967 | Winnipeg , Canada | 1:07.1 | Elaine Tanner | July 30 , 1967 | Winnipeg , Canada | 1:06.7 | Karen Muir | January 30 , 1968 | Kimberley , South Africa | 1:06.4 | Karen Muir | April 6 , 1968 | Paris , France | 1:06.2 | Kaye Hall | October 23 , 1968 | Mexico City , Mexico

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