What is the average when the highest score is 151?
CREATE TABLE table_28846752_4 (average VARCHAR, highest_score VARCHAR)
SELECT average FROM table_28846752_4 WHERE highest_score = "151"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_28846752_4 (average VARCHAR, highest_score VARCHAR) Question: What is the average when the highest score is 151? [/INST] SELECT average FROM table_28846752_4 WHERE highest_score = "151" </s>