CREATE TABLE "table1_24547593_1" (
  "round" real,
  "circuit" text,
  "date" text,
  "pole_position" text,
  "fastest_lap" text,
  "winning_rider" text,
  "winning_team" text
);

Question: Who was in the pole position for knockhill?
SQL: SELECT "pole_position" FROM "table1_24547593_1" WHERE "circuit"='Knockhill';

Question: How many dates was knockhill?
SQL: SELECT COUNT("date") FROM "table1_24547593_1" WHERE "circuit"='Knockhill';