CREATE TABLE table_2387461_1 (assists_per_game VARCHAR, rebounds_per_game VARCHAR)

How many assists per game have 4.2 rebounds per game?
SELECT assists_per_game FROM table_2387461_1 WHERE rebounds_per_game = "4.2"
SELECT "assists_per_game" FROM "table_2387461_1" WHERE "4.2" = "rebounds_per_game"