user: Question: What bike does Dean Ellison ride?
Columns: ['Rider', 'Bike', 'Laps', 'Time', 'Grid']
Types: ['text', 'text', 'real', 'text', 'real']
Sample row: ['James Toseland', 'Honda CBR1000RR', 22.0, '37:02.097', 1.0]
SQL:

assistant: SELECT "Bike" FROM "Table" WHERE "Rider" = 'Dean Ellison';