how to convert anymap of string to string column for arrowkdb.q

https://learninghub.kx.com/forums/topic/how-to-convert-anymap-of-string-to-string-column-for-arrowkdb-q

Hello:

    When I read a table from disk, the string column is type 77h.

How do I convert it to type 0h so I can use arrowkdb.q to infer it's schema? 

nvm, found 0h$