Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_57902 ( "Season" real, "Div." text, "Tms." real, "Pos." real, "Attendance/G" real, "Emperor's Cup" text )

### Question ###
How many seasons did the Div J1 have the Emperor's cup in the 3rd round with Tms of more than 18?

### Accurate SQL ###

SELECT COUNT("Season") FROM table_57902 WHERE "Emperor's Cup" = '3rd round' AND "Div." = 'j1' AND "Tms." > '18'