user: Question: Which institution has more than 19020 students in london with a research funding of more than 7734?
Columns: ['Institution', 'Location', 'Established', 'Gained university status', 'Vice-chancellor', 'Total Number of Students', 'Research Funding (£,000)']
Types: ['text', 'text', 'real', 'real', 'text', 'real', 'real']
Sample row: ['Birkbeck, University of London', 'London', 1823.0, 1920.0, 'Professor David Latchman', 19020.0, 9985.0]
SQL:

assistant: SELECT "Institution" FROM "Table" WHERE "Total Number of Students" > 19020.0 AND "Location" = 'london' AND "Research Funding (£,000)" > 7734.0;