Table schema:
CREATE TABLE table_name_49 (pd_per_game INTEGER, pa_per_game VARCHAR, streak VARCHAR, rank VARCHAR, winning__percentage VARCHAR)

Question: Which PD per game has a Rank smaller than 4, a Winning % of 78.6%, a Streak of w1, and a PA per game smaller than 81.5?
SQL: SELECT MIN(pd_per_game) FROM table_name_49 WHERE rank < 4 AND winning__percentage = "78.6%" AND streak = "w1" AND pa_per_game < 81.5