user: Question: which Category has a Result of Nominated, and a Lost to of Jennifer Westfeldt ( Kissing Jessica Stein )?
Columns: ['Year', 'Category', 'Film', 'Result', 'Lost to']
Types: ['real', 'text', 'text', 'text', 'text']
Sample row: [1996.0, 'Best Supporting Actress — Comedy or Musical', 'Jerry Maguire', 'Nominated', 'Debbie Reynolds ( Mother )']
SQL:

assistant: SELECT "Category" FROM "Table" WHERE "Result" = 'Nominated' AND "Lost to" = 'Jennifer Westfeldt ( Kissing Jessica Stein )';