CREATE TABLE "skilift_system" (
  "name_or_route" text,
  "type" text,
  "elevation_groundstation" real,
  "elevation_mountainstation" real,
  "slope_length" real,
  "capacity_in_persons_hour" real,
  "construction_year_s" text
);

Question: Name the slope length for 1966 groundstation
SQL: SELECT COUNT("slope_length") FROM "skilift_system" WHERE "elevation_groundstation"=1966;

Question: Name the name or route for slope length being 336
SQL: SELECT "name_or_route" FROM "skilift_system" WHERE "slope_length"=336;

Question: Name the slope length for gondola
SQL: SELECT MIN("slope_length") FROM "skilift_system" WHERE "type"='gondola';

Question: Name the least capacity for persons hour for 1983
SQL: SELECT MIN("capacity_in_persons_hour") FROM "skilift_system" WHERE "construction_year_s"='1983';