Women's 10 kilometres walk world record progression

Columns: Time | Athlete | Date | Place
49:04 | Margareta Simu ( SWE ) | 1976-06-22 | Äppelbo , Sweden | 48:53 | Margareta Simu ( SWE ) | 1978-06-25 | Äppelbo , Sweden | 48:40 | Thorill Gylder ( NOR ) | 1978-09-16 | Søfteland , Norway | 47:24 | Thorill Gylder ( NOR ) | 1979-09-15 | Valer , Norway | 46:28 | Sue Orr ( AUS ) | 1980-05-11 | Moss , Norway | 45:38 | Sally Pierson ( AUS ) | 1982-05-08 | Melbourne , Australia | 45:32 | Susan Cook ( AUS ) | 1982-06-10 | Canberra , Australia

Example questions:
What is the fastest the women 's racewalker that walked 10 kilometres in 46:28 in Norway completed the 20 km walk ? | Who is the Olympian sister of the women 's racewalker that walked 10 kilometres in 45:32 in Canberra ? | Who founded the city in which Margit Lindström completed a women 's 10 kilometres walk in 56:26 ? | How many inhabitants live in the place where Margareta Simu completed a women 's 10 kilometres walk in 51:01 ? | Which year did the racewalker that walked the women 's 10 kilometres in 48:40 in Søfteland take her first senior medal ?

Answers:
1:36:23 | Jenny | Birger Jarl | 258 | 1975