user: Question: Which is the lowest 1980 growth that had 2610 in 1970?
Columns: ['City', '1970', '1980', '1990', '2000', '2010 est.']
Types: ['text', 'real', 'real', 'real', 'real', 'real']
Sample row: ['Cedar Hill', 2610.0, 6849.0, 19988.0, 32093.0, 46300.0]
SQL:

assistant: SELECT MIN("1980") FROM "Table" WHERE "1970" = 2610.0;