user: Question: Which Rank is Highest for Yoshiazuma?
Columns: ['Name', 'Tournaments', 'Pro Debut', 'Top division debut', 'Highest rank']
Types: ['text', 'real', 'text', 'text', 'text']
Sample row: ['Hoshiiwato', 115.0, 'May 1970', 'July 1989', 'Maegashira 14']
SQL:

assistant: SELECT "Highest rank" FROM "Table" WHERE "Name" = 'Yoshiazuma';