CREATE TABLE table_25244 ("Year" CLOB, "Date" CLOB, "Driver" CLOB, "Team" CLOB, "Manufacturer" CLOB, "Laps" CLOB, "Miles  ( km ) " CLOB, "Race Time" CLOB, "Average Speed  ( mph ) " CLOB, "Report" CLOB)

What's the average mph of 1964?
SELECT "Average Speed (mph)" FROM table_25244 WHERE "Year" = '1964'
SELECT "Average Speed (mph)" FROM "table_25244" WHERE "Year" = '1964'