Conversation so far:
When did A.J Styles return to the independent circuit?
On March 14, 2003 A.J. Styles returned to International Wrestling Cartel.
Who did A.J Styles fight once he returned to the independent circuit?
A.J. Styles successfully challenged IWC Super Indy Champion Super Hentai for the title.
Did A.J Styles win that fight against Super Hentai in 2003?
A.J. Styles won the fight against Super Hentai in 2003.
Did A.J Styles  win any championships?
A.J. Styles held the NWA World Heavyweight Championship three times, the TNA World Heavyweight Championship twice, and was the inaugural titleholder of the X Division Championship six times.
who did A.J Styles  beat to win the championship?
Did A.j Styleds fight anyone twice?
A.J. Styles fought Shinsuke Nakamura twice.

Question: What title was this?
Self-contained rewrite: What title did A.J Styles defeat Shinsuke Nakamura was this?