user: Question: What rank has a Time of 4:00.191?
Columns: ['Rank', 'Athletes', 'Country', 'Time', 'Notes']
Types: ['real', 'text', 'text', 'text', 'text']
Sample row: [1.0, 'Vadim Menkov', 'Uzbekistan', '3:56.793', 'QF']
SQL:

assistant: SELECT "Rank" FROM "Table" WHERE "Time" = '4:00.191';