user: Question: What week was the finalist Martina Hingis?
Columns: ['Tournament', 'Surface', 'Week', 'Winner', 'Finalist', 'Semifinalists']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Tokyo', 'Carpet (i)', 'January 28', 'Martina Hingis 7–6(6), 4–6, 6–3', 'Monica Seles', 'Silvia Farina Elia Anna Kournikova']
SQL:

assistant: SELECT "Week" FROM "Table" WHERE "Finalist" = 'Martina Hingis';