CREATE TABLE table_21899 ("Week" FLOAT, "Date" CLOB, "Opponent" CLOB, "Result" CLOB, "Game site" CLOB, "Record" CLOB, "Attendance" FLOAT)

What was the game site against the Dallas Texans?
SELECT "Game site" FROM table_21899 WHERE "Opponent" = 'Dallas Texans'
SELECT "Game site" FROM "table_21899" WHERE "Opponent" = 'Dallas Texans'