user: ### NOW ANSWER:
Question: What rank was Core districts + inner suburbs and had a population of 10123000?
Columns: ['Rank', 'City', 'Population', 'Definition', 'Country']
Types: ['real', 'text', 'text', 'text', 'text']
Sample row: [1.0, 'Shanghai', '13831900', 'Core districts + inner suburbs', 'China']
SQL:

assistant: SELECT MAX("Rank") FROM "Table" WHERE "Definition" = 'Core districts + inner suburbs' AND "Population" = '10123000';