Question: Duncan Ende has previously competed in this event that was launched in 1990?
Sentence (from "Trinidad and Tobago at the 2012 Summer Olympics"): Trinidad and Tobago's participation in these games marked its sixteenth Olympic appearance as an independent nation, although it had previously competed in four other games (including the 1948 debut in the same host city London) as a British colony, and as part of the West Indies Federation.
Relevant evidence: No