Table: hawks_game_stats_12
Columns: game
date
team
score
high_points
high_rebounds
high_assists
location_attendance
series

Question: Which team was played against in game 4?
SQL: SELECT "team" FROM hawks_game_stats_12 WHERE "game" = 4

Question: What is the location attendance of the game with A. Horford (10) as the highest rebounds and J. Johnson (21) as the highest points?
SQL: SELECT "location_attendance" FROM hawks_game_stats_12 WHERE "high_rebounds" = 'a. horford (10)' AND "high_points" = 'j. johnson (21)'