Table: tigers_1990_games
Columns: home_run
game
date
inning
location
opposing_pitcher
team

Question: What date was the game at Comiskey Park and had a 4th Inning?
SQL: SELECT "date" FROM tigers_1990_games WHERE "location" = 'comiskey park' AND "inning" = '4th'

Question: When Efrain Valdez was pitching, what was the highest home run?
SQL: SELECT MAX("home_run") FROM tigers_1990_games WHERE "opposing_pitcher" = 'efrain valdez'

Question: On June 17 in Tiger stadium, what was the average home run?
SQL: SELECT AVG("home_run") FROM tigers_1990_games WHERE "location" = 'tiger stadium' AND "date" = 'june 17'