user: Question: Name the series ^ when the CPU clock is 1500 and the model is T-52R
Columns: ['Series ^', 'Model', 'CPU clock ( MHz )', 'CPU cores', 'TDP ( W )', 'L2 cache (KiB)', 'Radeon cores', 'DDR3 speed']
Types: ['text', 'text', 'text', 'real', 'text', 'text', 'real', 'real']
Sample row: ['C-Series', 'C-30', '1000', 1.0, '0 9', '512', 80.0, 1066.0]
SQL:

assistant: SELECT "Series ^" FROM "Table" WHERE "CPU clock ( MHz )" = '1500' AND "Model" = 'T-52R';