Conversation so far:
When did Seagal get involved in martial arts?
saying.
What kind of martial arts was Seagal doing?
By 1974 Seagal had returned California.
That year he met Miyako Fujitani, a second-degree black belt and daughter of an Osaka aikido master.

Question: Who did he train with?
Self-contained rewrite: Who did Steven Seagal train with for martial arts?