user: Question: Who played in the 1991 Broadway before Barbara McCulloh played the part in the 1999 Broadway?
Columns: ['Character', '1954 Broadway', '1955 broadcast', '1960 broadcast', '1979 Broadway', '1990 Broadway', '1991 Broadway', '1998 Broadway', '1999 Broadway']
Types: ['text', 'text', 'text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Peter Pan', 'Mary Martin', 'Mary Martin', 'Mary Martin', 'Sandy Duncan', 'Cathy Rigby', 'Cathy Rigby', 'Cathy Rigby', 'Cathy Rigby']
SQL:

assistant: SELECT "1991 Broadway" FROM "Table" WHERE "1999 Broadway" = 'Barbara McCulloh';