Context: In July 2021, after 25 seasons as members of the Big 12, Texas and rival Oklahoma accepted invitations to join the Southeastern Conference (SEC) no later than the 2025 season. In February 2023, the Big 12 announced that the two schools had negotiated a combined $100 million early termination fee in order to leave for the SEC a year before the schools' media rights deal with the Big 12 was set to expire. The Longhorns football team will continue competing in the Big 12 through the 2023 season before moving to the SEC in 2024. Input: What team other then Texan Longhorn accept an invitation to the SEC in July 2021? Output: Based on the provided context, the only other team from the Big 12 that could accept an invitation to join the SEC, other than Texas, would be Oklahoma. This is because the text specifies that Oklahoma accepted an invitation to join the SEC alongside Texas, and no other team from the Big 12 is mentioned as having done so. Therefore, the answer is Oklahoma.