user: Question: Who is the h.s. principal with Dave Lovering as w.r. principal and Marty Pizur as m.s. principal?
Columns: ['Year', 'Superintendent', 'Glendale Principal', 'H.H. Principal', 'Maplemere Principal', 'W.R. Principal', 'M.S. Principal', 'H.S. Principal', 'H. S. Asst. Principal']
Types: ['text', 'text', 'text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['1972-1973', 'James Finch', 'Rich McBride', 'Nellie Love', 'Charlie Taylor', 'Rich Auerbach', 'Bob Kramer', 'Jim Haught', 'Jim Sparrow']
SQL:

assistant: SELECT "H.S. Principal" FROM "Table" WHERE "W.R. Principal" = 'Dave Lovering' AND "M.S. Principal" = 'Marty Pizur';