user: Question: What is the time of the rider with a 398cc Yamaha?
Columns: ['Rank', 'Rider', 'Team', 'Speed', 'Time']
Types: ['real', 'text', 'text', 'text', 'text']
Sample row: [1.0, 'Oliver Linsdell', '398cc Yamaha', '102.830mph', '1:28.03.57']
SQL:

assistant: SELECT "Time" FROM "Table" WHERE "Team" = '398cc Yamaha';