>>> How many times did Texas beat Oklahoma between 1940 to 1947 and 1958-1965? 

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Based on the provided context, Texas has defeated Oklahoma a total of 41 times between 1940 to 1947 and 1958-1965. This includes the record-breaking eight-straight wins from 1940 to 1947 and 1958-1965, as well as the significant 1963 game where Texas defeated Oklahoma as the No. 1 and No. 2 teams. The series has also featured close games and comebacks, such as the 2021 game where the Sooners rallied from a 21-point deficit.