user: Question: Name the role for studio of Rep with Sheila Mannors leading lady and title of Westward Ho
Columns: ['Title', 'Studio', 'Role', 'Leading lady', 'Director']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['Texas Terror', 'Mono', 'John Higgins', 'Lucile Browne', 'R.N. Bradbury']
SQL:

assistant: SELECT "Role" FROM "Table" WHERE "Studio" = 'Rep' AND "Leading lady" = 'Sheila Mannors' AND "Title" = 'Westward Ho';