What is the order price of the book "The Servant Leader" in 2003?
"The Servant Leader" is the title of the book; book in 2003 refers to SUBSTR(publication_date, 1, 4) = '2003'
SELECT T2.price FROM book AS T1 INNER JOIN order_line AS T2 ON T1.book_id = T2.book_id WHERE T1.title = 'The Servant Leader' AND STRFTIME('%Y', T1.publication_date) = '2003'
database name:db_id books
address_status table address_status Cols: status id dtype integer, address status dtype text, 
author table author Cols: author id dtype integer, author name dtype text, 
book_language table book_language Cols: language id dtype integer, language code dtype text, language name dtype text, 
country table country Cols: country id dtype integer, country name dtype text, 
address table address Cols: address id dtype integer, street number dtype text, street name dtype text, city dtype text, country id dtype integer, 
customer table customer Cols: customer id dtype integer, first name dtype text, last name dtype text, email dtype text, 
customer_address table customer_address Cols: customer id dtype integer, address id dtype integer, status id dtype integer, 
order_status table order_status Cols: status id dtype integer, status value dtype text, 
publisher table publisher Cols: publisher id dtype integer, publisher name dtype text, 
book table book Cols: book id dtype integer, title dtype text, isbn13 dtype text, language id dtype integer, number pages dtype integer, publication date dtype date, publisher_id dtype integer, 
book_author table book_author Cols: book id dtype integer, author id dtype integer, 
shipping_method table shipping_method Cols: method id dtype integer, method name dtype text, cost dtype real, 
cust_order table cust_order Cols: order id dtype integer, order date dtype datetime, customer id dtype integer, shipping method id dtype integer, destination address id dtype integer, 
order_history table order_history Cols: history id dtype integer, order_id dtype integer, status id dtype integer, status date dtype datetime, 
order_line table order_line Cols: line id dtype integer, order id dtype integer, book id dtype integer, price dtype real, 
