user: Question: What is the highest Rank, when Director is "Henry Hathaway"?
Columns: ['Rank', 'Title', 'Studio', 'Director', 'Gross']
Types: ['real', 'text', 'text', 'text', 'text']
Sample row: [1.0, 'The Sound of Music *', '20th Century Fox', 'Robert Wise', '$163,214,286']
SQL:

assistant: SELECT MAX("Rank") FROM "Table" WHERE "Director" = 'Henry Hathaway';