What is the lowest goal difference of club real betis, who has less than 18 wins?
CREATE TABLE table_name_10 (goal_difference INTEGER, club VARCHAR, wins VARCHAR)
SELECT MIN(goal_difference) FROM table_name_10 WHERE club = "real betis" AND wins < 18
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_10 (goal_difference INTEGER, club VARCHAR, wins VARCHAR) Question: What is the lowest goal difference of club real betis, who has less than 18 wins? [/INST] SELECT MIN(goal_difference) FROM table_name_10 WHERE club = "real betis" AND wins < 18 </s>