Table:
text: Margarita Ponomaryova
Achievements
Achievements
Year_ Competition Venue Position_ Event Notes
1981 European Junior Championships Utrecht, Netherlands 3rd 400m h 57.45
1981 European Junior Championships Utrecht, Netherlands 2nd 4x400m 3:31.41
1985 World Cup Canberra, Australia 6th 400m h 56.90
1986 European Championships Stuttgart, Germany 8th 400m h 55.56
1987 World Championships Rome, Italy semi-final 400m h 54.86
1989 World Student Games (Universiade) Duisburg , Germany 1st 400m h 57.03
1990 European Championships Split, Yugoslavia 5th 400m h 55.22
1991 World Indoor Championships Seville, Spain 2nd 4x400m 3:27.95
1991 European Cup Frankfurt, Germany 1st 400m h 54.42
1991 World Championships Tokyo, Japan 8th 400m h 55.27

text: Margarita Ponomaryova
Achievements
Achievements
Year_ Competition Venue Position_ Event Notes
1992 Olympic Games Barcelona, Spain 6th 400m h 54.83
1992 World Cup Havana, Cuba 3rd 400m h 56.46
1993 World Championships Stuttgart, Germany 3rd 400m h 53.48
1993 World Championships Stuttgart, Germany 2nd 4x400m 3:18.38

Question: What position was achieved for Margarita Ponomaryova at the World Championship competition in Tokyo, Japan?

Question: What is the earliest year for a 400m h event with 54.86 in marks on Margarita Ponomaryova?