What match number has a ground of H and the opponent Chelsea under 18s?
CREATE TABLE table_name_37 (match INTEGER, ground VARCHAR, opponent VARCHAR)
SELECT AVG(match) FROM table_name_37 WHERE ground = "h" AND opponent = "chelsea under 18s"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_37 (match INTEGER, ground VARCHAR, opponent VARCHAR) Question: What match number has a ground of H and the opponent Chelsea under 18s? [/INST] SELECT AVG(match) FROM table_name_37 WHERE ground = "h" AND opponent = "chelsea under 18s" </s>