If winner is alejandro Valverde and the points Classification is by Erik Zabel, who is the mountain classification?
CREATE TABLE table_15059783_1 (mountains_classification VARCHAR, winner VARCHAR, points_classification VARCHAR)
SELECT mountains_classification FROM table_15059783_1 WHERE winner = "Alejandro Valverde" AND points_classification = "Erik Zabel"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_15059783_1 (mountains_classification VARCHAR, winner VARCHAR, points_classification VARCHAR) Question: If winner is alejandro Valverde and the points Classification is by Erik Zabel, who is the mountain classification? [/INST] SELECT mountains_classification FROM table_15059783_1 WHERE winner = "Alejandro Valverde" AND points_classification = "Erik Zabel" </s>