On which episode number is event 4 The Wall and event 1 the Pendulum?
CREATE TABLE table_17257687_1 (episode_number VARCHAR, event_4 VARCHAR, event_1 VARCHAR)
SELECT COUNT(episode_number) FROM table_17257687_1 WHERE event_4 = "The Wall" AND event_1 = "Pendulum"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_17257687_1 (episode_number VARCHAR, event_4 VARCHAR, event_1 VARCHAR) Question: On which episode number is event 4 The Wall and event 1 the Pendulum? [/INST] SELECT COUNT(episode_number) FROM table_17257687_1 WHERE event_4 = "The Wall" AND event_1 = "Pendulum" </s>