Table: graphics_mode
Columns: graphics_mode
char_cells
pixels
hardware_colours
used_kb
map
type

Question: What is the used (kb) when the graphics mode is 4?
SQL: SELECT MIN("used_kb") FROM graphics_mode WHERE "graphics_mode" = 4

Question: If graphics mode is less than 1.0, what are the char cells?
SQL: SELECT "char_cells" FROM graphics_mode WHERE "graphics_mode" < 1.0