Table: nuggets_game_stats_0802
Columns: date
visitor
score
home
leading_scorer
attendance
record

Question: How many people were in attendance when the visiting team was the Nuggets and the leading scorer was J.R. Smith (28)?
SQL: SELECT SUM("attendance") FROM nuggets_game_stats_0802 WHERE "visitor" = 'nuggets' AND "leading_scorer" = 'j.r. smith (28)'

Question: Who was the leading scorer on 23 February 2008?
SQL: SELECT "leading_scorer" FROM nuggets_game_stats_0802 WHERE "date" = '23 february 2008'