Table:
text: Roberto Ribaud
Achievements
Achievements
Year_ Competition Venue Position_ Event Time_
1982 European Championships Athens, Greece 6th 4x400 m relay 3:03.21
1983 World Championships Helsinki, Finland 5th 4x400 m relay 3:05.10
1984 Olympic Games Los Angeles , United States 5th 4x400 m relay 3:01.44
1986 European Championships Stuttgart , West Germany Semi-Finals 400 m 45.69
1986 European Championships Stuttgart , West Germany 4th 4x400 m relay 3:01.37
1990 European Championships Split , Yugoslavia 4th 4x400 m relay 3:01.78

Question: Which venue has a year smaller than 1986 and sixth place under Roberto Ribaud?

Question: What position has a time of 3:01.78 under Roberto Ribaud?

Question: Which event has a world championship competition under Roberto Ribaud?

Question: When did a year 1984 under Roberto Ribaud ?

Question: Which competition has a year smaller than 1983 under Roberto Ribaud?