How many LOA (metres) reported for Black Jack?
CREATE TABLE table_20854943_2 (loa__metres_ VARCHAR, yacht VARCHAR)
SELECT COUNT(loa__metres_) FROM table_20854943_2 WHERE yacht = "Black Jack"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_20854943_2 (loa__metres_ VARCHAR, yacht VARCHAR) Question: How many LOA (metres) reported for Black Jack? [/INST] SELECT COUNT(loa__metres_) FROM table_20854943_2 WHERE yacht = "Black Jack" </s>