World record progression 100 metres backstroke

Columns: Time | Swimmer | Date | Place
1:02.98 | Ulrike Richter | September 1 , 1974 | Concord , California , USA | 1:02.60 | Ulrike Richter | March 14 , 1976 | Tallinn , USSR | 1:01.62 | Kornelia Ender | June 3 , 1976 | Berlin , East Germany | 1:01.51 ( r ) | Ulrike Richter | June 5 , 1976 | Berlin , East Germany | 1:01.51 ( e ) | Rica Reinisch | July 20 , 1980 | Moscow , USSR | 1:01.50 | Rica Reinisch | July 22 , 1980 | Moscow , USSR

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