user: Question: How man teams have a writer named Harry Angus?
Columns: ['Club name', 'Name of team song', 'Basis for team song', 'First used as team song', 'Writer/composer']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['Adelaide', '"The Pride of South Australia"', '" US Marines\' Hymn "', '1992', 'Bill Sanders']
SQL:

assistant: SELECT COUNT("Name of team song") FROM "Table" WHERE "Writer/composer" = 'Harry Angus';