Tell me the guns for third-rate ship of the line and rank of vice-admiral with year of 1802
CREATE TABLE "ships_served_in_by_richard_bolitho" (
  "ship" text,
  "guns" text,
  "class" text,
  "captain" text,
  "rank" text,
  "year" text
);
SELECT "guns" FROM "ships_served_in_by_richard_bolitho" WHERE "class"='third-rate ship of the line' AND "rank"='vice-admiral' AND "year"='1802';