Statement: kings island 's attraction opened in 1999

Input Table: drop tower : scream zone

Step 1: f_select_row(row 4)
park tower height drop height speed model opened height requirement
canada 's wonderland 230feet 200feet 62 mph giant drop 1997 inches (cm)
carowinds 174feet 100feet 56 mph giant drop march 1996 inches (cm)
california 's great america 224feet 207feet 62 mph giant drop march 1996 inches (cm)
kings dominion 305feet 272feet 72 mph gyro drop march 22 , 2003 inches (cm)
kings island 315feet 264feet 67 mph gyro drop 1999 inches (cm)
Step 2: f_select_column(park, opened)
park tower height drop height speed model opened height requirement
kings island 315feet 264feet 67 mph gyro drop 1999 inches (cm)
Step 3: simple_query()
park opened
kings island 1999

Prompting LLM for the final answer... >>>