user: Question: What was the attendance at round 9?
Columns: ['Crowd', 'Venue', 'Home Team', 'Opponent', 'Round']
Types: ['real', 'text', 'text', 'text', 'text']
Sample row: [50109.0, 'Suncorp Stadium (Double Header)', 'Brisbane Broncos Bulldogs RLFC', 'South Sydney Rabbitohs Gold Coast Titans', 'Round 19']
SQL:

assistant: SELECT "Crowd" FROM "Table" WHERE "Round" = 'round 9';