CREATE TABLE table_3141 ("Week" FLOAT, "Date" CLOB, "Kickoff" CLOB, "Opponent" CLOB, "Final score" CLOB, "Team record" CLOB, "Game site" CLOB, "Attendance" FLOAT)

How many people attended the game at Jahn-sportpark?
SELECT MIN("Attendance") FROM table_3141 WHERE "Game site" = 'Jahn-Sportpark'
SELECT MIN("Attendance") FROM "table_3141" WHERE "Game site" = 'Jahn-Sportpark'