CREATE TABLE "table1_1081235_1" (
  "name_of_lava_dome" text,
  "country" text,
  "volcanic_area" text,
  "composition" text,
  "last_eruption_or_growth_episode" text
);

Question: Which lava domes erupted or had a growth episode during the Holocene period?
SQL: SELECT "name_of_lava_dome" FROM "table1_1081235_1" WHERE "last_eruption_or_growth_episode"='Holocene';

Question: What is the composition at Valles lava dome?
SQL: SELECT "composition" FROM "table1_1081235_1" WHERE "name_of_lava_dome"='Valles lava dome';

Question: How many countries are the Tata Sabaya Lava domes located in?
SQL: SELECT COUNT("country") FROM "table1_1081235_1" WHERE "name_of_lava_dome"='Tata Sabaya lava domes';

Question: What countries have had eruptions of growth episodes in 1986?
SQL: SELECT "country" FROM "table1_1081235_1" WHERE "last_eruption_or_growth_episode"='1986';