query: SELECT t1.name ,  t1.age FROM visitor AS t1 JOIN visit AS t2 ON t1.id  =  t2.visitor_id ORDER BY t2.num_of_ticket DESC LIMIT 1
question: Find the name and age of the visitor who bought the most tickets at once.
query_toks: SELECT t1.name , t1.age FROM visitor AS t1 JOIN visit AS t2 ON t1.id = t2.visitor_id ORDER BY t2.num_of_ticket DESC LIMIT 1
query_toks_no_value: select t1 . name , t1 . age from visitor as t1 join visit as t2 on t1 . id = t2 . visitor_id order by t2 . num_of_ticket desc limit value
question_toks: Find the name and age of the visitor who bought the most tickets at once.