CREATE TABLE table_62400 ("Week" FLOAT, "Date" TEXT, "Opponent" TEXT, "Result" TEXT, "Game site" TEXT, "Record" TEXT, "Attendance" FLOAT)

What is the game site of the game with the san diego chargers as the opponent?
SELECT "Game site" FROM table_62400 WHERE "Opponent" = 'san diego chargers'
SELECT "Game site" FROM "table_62400" WHERE "Opponent" = 'san diego chargers'