user: Question: Which seniors have a year before 2007, Fourths (Under 14's) of Kiewa-Sandy Creek, and a Reserve of Mitta United?
Columns: ['YEAR', 'Seniors', 'Reserves', "Thirds (Under 17's)", "Fourths (Under 14's)"]
Types: ['real', 'text', 'text', 'text', 'text']
Sample row: [2002.0, 'Barnawartha', 'Barnawartha', 'Barnawartha', 'Barnawartha']
SQL:

assistant: SELECT "Seniors" FROM "Table" WHERE "YEAR" < 2007.0 AND "Fourths (Under 14's)" = 'Kiewa-Sandy Creek' AND "Reserves" = 'Mitta United';