What is the Entered service date of the H1 Locomotive?
CREATE TABLE table_name_54 (entered_service VARCHAR, locomotive VARCHAR)
SELECT entered_service FROM table_name_54 WHERE locomotive = "h1"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_54 (entered_service VARCHAR, locomotive VARCHAR) Question: What is the Entered service date of the H1 Locomotive? [/INST] SELECT entered_service FROM table_name_54 WHERE locomotive = "h1" </s>