user: Question: When Charles Bateman Michael Lyons is the gt3 winner and 9 is the round who is the gt4 winner?
Columns: ['Round', 'Circuit', 'Date', 'Length', 'Pole Position', 'GT3 Winner', 'GT4 Winner']
Types: ['real', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: [1.0, 'Oulton Park', '25 April', '60 mins', 'No. 5 Scuderia Vittoria', 'No. 1 Trackspeed', 'No. 44 ABG Motorsport']
SQL:

assistant: SELECT "GT4 Winner" FROM "Table" WHERE "Round" = 9.0 AND "GT3 Winner" = 'Charles Bateman Michael Lyons';