user: Question: How many seasons did the Div j1 have the Emperor's cup in the 3rd round with Tms of more than 18?
Columns: ['Season', 'Div.', 'Tms.', 'Pos.', 'Attendance/G', "Emperor's Cup"]
Types: ['real', 'text', 'real', 'real', 'real', 'text']
Sample row: [1997.0, 'J1', 17.0, 16.0, 6567.0, '4th Round']
SQL:

assistant: SELECT COUNT("Season") FROM "Table" WHERE "Emperor's Cup" = '3rd round' AND "Div." = 'j1' AND "Tms." > 18.0;