user: Question: What is the lowest attendance on monday, november 10 when linköpings hc was the home team and there were more than 18 rounds?
Columns: ['Round', 'Date', 'Home', 'Result', 'Visitor', 'Venue', 'Attendance']
Types: ['real', 'text', 'text', 'text', 'text', 'text', 'real']
Sample row: [18.0, 'Saturday, November 1', 'Luleå HF', '5–1', 'Timrå IK', 'COOP Arena', 4650.0]
SQL:

assistant: SELECT MIN("Attendance") FROM "Table" WHERE "Home" = 'linköpings hc' AND "Date" = 'monday, november 10' AND "Round" > 18.0;