What is the mascot for texas tech university?
CREATE TABLE table_28243691_1 (
    team_nickname VARCHAR,
    institution VARCHAR
)
SELECT team_nickname FROM table_28243691_1 WHERE institution = "Texas Tech University"
Below are sql tables schemas paired with instruction that describes a task. Using valid SQLite, write a response that appropriately completes the request for the provided tables. ### Instruction: What is the mascot for texas tech university? ### Input: CREATE TABLE table_28243691_1 (
    team_nickname VARCHAR,
    institution VARCHAR
) ### Response: SELECT team_nickname FROM table_28243691_1 WHERE institution = "Texas Tech University"