Show different builders of railways, along with the corresponding number of railways using each builder.
CREATE TABLE railway (Builder VARCHAR)
SELECT Builder, COUNT(*) FROM railway GROUP BY Builder
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE railway (Builder VARCHAR) Question: Show different builders of railways, along with the corresponding number of railways using each builder. [/INST] SELECT Builder, COUNT(*) FROM railway GROUP BY Builder </s>