Final answer:
Ole Miss has not won a 6th SEC Championship in football as of 2023. Their last SEC Championship in football was in 1963, making all provided options incorrect.
Step-by-step explanation:
The player or coach who led Ole Miss to their 6th SEC Championship is not specified in the question. To provide an accurate answer, we need to identify the individual referred to by the placeholder _____________. However, looking at the options provided, none of them are correct, as the University of Mississippi, also known as Ole Miss, has not won a 6th SEC Championship in football as of my knowledge cutoff in 2023. The Ole Miss Rebels football team won their last SEC Championship in 1963. The answer to the question, as it stands, is none of the options provided: A) 2003, B) 2010, C) 2015, D) 2021.