CREATE TABLE table_name_37 (opposing_pitcher VARCHAR(255), inning VARCHAR(255), team VARCHAR(255), location VARCHAR(255))
Who is the Opposing Pitcher when Team is phillies, Location is pittsburgh, and Inning is 8th?
    
SQL: SELECT opposing_pitcher FROM table_name_37 WHERE team = "phillies" AND location = "pittsburgh" AND inning = "8th"