CREATE TABLE "table1_298883_5" (
  "value" text,
  "dimensions" text,
  "main_color" text,
  "obverse" text,
  "reverse" text,
  "watermark" text,
  "date_of_issue" text
);

Question: What are the dimensions of the coin worth ₩200?
SQL: SELECT "dimensions" FROM "table1_298883_5" WHERE "value"='₩200';

Question: How many different dates of issue are the for the coin with kumsusan memorial palace on the obverse?
SQL: SELECT COUNT("date_of_issue") FROM "table1_298883_5" WHERE "obverse"='Kumsusan Memorial Palace';

Question: What are the dimensions of the coin issued in 1992 with kim il-sung on the obverse?
SQL: SELECT "dimensions" FROM "table1_298883_5" WHERE "obverse"='Kim Il-sung' AND "date_of_issue"='1992';

Question: What is on the reverse side of the ₩500 coin?
SQL: SELECT "reverse" FROM "table1_298883_5" WHERE "value"='₩500';

Question: What is on the reverse side of the ₩100 coin?
SQL: SELECT "reverse" FROM "table1_298883_5" WHERE "value"='₩100';

Question: What are the dimensions of the coin with western sea barrage and locks at taedong gang on the reverse side?
SQL: SELECT "dimensions" FROM "table1_298883_5" WHERE "reverse"='Western sea barrage and locks at Taedong Gang';