>>> How many head coaches have there been for the Texas Longhorns since 1893? 

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The response is 31, which is indeed the correct number of head coaches for the Texas Longhorns since their inaugural team in 1893, as per the context provided. To further improve the response, we can include a brief explanation of how the number was determined:

There have been 31 head coaches for the Texas Longhorns since their first team in 1893, as stated in the question. This number was calculated by counting the number of head coaches listed in the provided context, which includes Steve Sarkisian, who is the current head coach, as of the time of the question.