Table:
text: Coleen Sommer
Achievements
Achievements
Year_ Competition Venue Position_ Notes
1983 Pan American Games Caracas , Venezuela 1st High Jump
1983 World Championships Helsinki, Finland 4th High Jump
1987 Pan American Games Indianapolis , United States 1st High Jump
1987 World Championships Rome, Italy 11th High Jump
1988 Olympic Games Seoul, South Korea 18th High Jump

Question: What year was position 11 under Coleen Sommer?

Question: What was the name of the competition in Rome, Italy for Coleen Sommer?

Question: After 1983, what grades are ranked 18th by Coleen Sommer?

Question: What was Coleen Sommer's position after 1983 in Seoul, South Korea?