How many stages were there where the winner and the points classification were Alberto Contador?
CREATE TABLE table_15294880_2 (stage VARCHAR, winner VARCHAR, points_classification VARCHAR)
SELECT COUNT(stage) FROM table_15294880_2 WHERE winner = "Alberto Contador" AND points_classification = "Alberto Contador"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_15294880_2 (stage VARCHAR, winner VARCHAR, points_classification VARCHAR) Question: How many stages were there where the winner and the points classification were Alberto Contador? [/INST] SELECT COUNT(stage) FROM table_15294880_2 WHERE winner = "Alberto Contador" AND points_classification = "Alberto Contador" </s>