Conversation so far:
When did Steven Seagal get involved in martial arts?
In 1974 Steven Seagal met Miyako Fujitani, who had come to Los Angeles to teach aikido. When Miyako returned to Osaka, Seagal went with her.
What kind of martial arts was Steven Seagal doing?
Aikido.

Question: What other accomplishments did he have in his martial arts training?
Self-contained rewrite: What other accomplishments did Steven Seagal have in his martial arts training?