400 metres

Columns: Year | Time | Athlete | Location
1977 | 49.52 | Irena Szewinska ( POL ) | Düsseldorf | 1978 | 48.94 | Marita Koch ( GDR ) | Prague | 1979 | 48.60 | Marita Koch ( GDR ) | Potsdam | 1980 | 48.88 | Marita Koch ( GDR ) | Moscow | 1981 | 48.61 | Jarmila Kratochvílová ( CZE ) | Rome | 1982 | 48.16 | Marita Koch ( GDR ) | Athens | 1983 | 47.99 | Jarmila Kratochvílová ( CZE ) | Helsinki | 1984 | 48.16 | Marita Koch ( GDR ) | Prague | 1985 | 47.60 | Marita Koch ( GDR ) | Canberra

Example questions:
In which location was the fastest time under 50 seconds recorded for 400m ? | What 400m time was recorded in the first games in Helsinki ? | In which year did the current world record holder for 400m first compete ? | Who recorded the fastest 400m time in Rome ?

Answers:
Montreal | 48.16 | 1978 | Jarmila Kratochvílová