What is the series number for Season #18?
{'header': ['Series #', 'Season #', 'Title', 'Directed by', 'Written by', 'Original air date'], 'page_title': '', 'section_title': '', 'caption': '', 'rows': [['92', '1', '"Day For Knight"', 'Christopher Chulack', 'Lydia Woodward', 'September24,1998'], ['93', '2', '"Split Second"', 'Christopher Misiano', 'Carol Flint', 'October1,1998'], ['94', '3', '"They Treat Horses, Don\'t They?"', 'TR Babu Subramaniam', 'Walon Green', 'October8,1998'], ['95', '4', '"Vanishing Act"', 'Lesli Linka Glatter', 'Jack Orman', 'October15,1998'], ['97', '6', '"Stuck on You"', 'David Nutter', 'Teleplay: Neal Baer Story: Neal Baer & Linda Gase', 'November5,1998'], ['99', '8', '"The Good Fight"', 'Christopher Chulack', 'Jack Orman', 'November19,1998'], ['100', '9', '"Good Luck, Ruth Johnson"', 'Rod Holcomb', 'Lydia Woodward', 'December10,1998'], ['101', '10', '"The Miracle Worker"', 'Lesli Linka Glatter', 'Paul Manning', 'December17,1998'], ['102', '11', '"Nobody Doesn\'t Like Amanda Lee"', 'Richard Thorpe', 'Linda Gase', 'January7,1999'], ['103', '12', '"Double Blind"', 'Dave Chameides', 'Carol Flint', 'January21,1999'], ['104', '13', '"Choosing Joi"', 'Christopher Chulack', 'Lydia Woodward', 'February4,1999'], ['105', '14', '"The Storm: Part I"', 'John Wells', 'John Wells', 'February11,1999'], ['106', '15', '"The Storm: Part II"', 'Christopher Chulack', 'John Wells', 'February18,1999'], ['107', '16', '"Middle of Nowhere"', 'Jonathan Kaplan', 'Carol Flint & Neal Baer', 'February25,1999'], ['108', '17', '"Sticks and Stones"', 'Félix Enríquez Alcalá', 'Joe Sachs', 'March25,1999'], ['109', '18', '"Point of Origin"', 'Christopher Misiano', 'Christopher Mack', 'April8,1999'], ['110', '19', '"Rites of Spring"', 'Jonathan Kaplan', 'David Mills', 'April29,1999'], ['111', '20', '"Power"', 'Laura Innes', 'Carol Flint', 'May6,1999'], ['112', '21', '"Responsible Parties"', 'Christopher Chulack', 'Jack Orman', 'May13,1999']]}