query: SELECT customer_name FROM customers WHERE customer_name LIKE "%Alex%"
question: Which customers name contain "Alex"? Find the full name.
query_toks: SELECT customer_name FROM customers WHERE customer_name LIKE `` % Alex % ''
query_toks_no_value: select customer_name from customers where customer_name like value
question_toks: Which customers name contain "Alex"? Find the full name.