Table: musketeers_basketball_stats_2
Columns: season
record
pct
games
attendance
average
sellouts

Question: How many attendance numbers had more than 15 games, and sellouts of more than 8 in the 2011-12 season?
SQL: SELECT COUNT("attendance") FROM musketeers_basketball_stats_2 WHERE "games" > 15 AND "sellouts" > 8 AND "season" = '2011-12'