How many kills have 15 as the injured, with a year prior to 1987?
CREATE TABLE table_name_4 (killed INTEGER, injured VARCHAR, year VARCHAR)
SELECT SUM(killed) FROM table_name_4 WHERE injured = "15" AND year < 1987
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_4 (killed INTEGER, injured VARCHAR, year VARCHAR) Question: How many kills have 15 as the injured, with a year prior to 1987? [/INST] SELECT SUM(killed) FROM table_name_4 WHERE injured = "15" AND year < 1987 </s>