CREATE TABLE "table1_19189856_1" (
  "performer" text,
  "performances" real,
  "category" text,
  "first_performance" text,
  "last_performance" text
);

Question: when was the last performance of the first performance on 11/15/1909
SQL: SELECT "last_performance" FROM "table1_19189856_1" WHERE "first_performance"='11/15/1909';

Question: how many first performances where performer is wilfred engelman category:articles with hcards
SQL: SELECT COUNT("first_performance") FROM "table1_19189856_1" WHERE "performer"='Wilfred Engelman Category:Articles with hCards';

Question: who was the performer that did last performance on 04/08/1963
SQL: SELECT "performer" FROM "table1_19189856_1" WHERE "last_performance"='04/08/1963';

Question: what is the first performance of the last performance on 03/29/1957
SQL: SELECT "first_performance" FROM "table1_19189856_1" WHERE "last_performance"='03/29/1957';

Question: what is the last performance of leon varkas category:articles with hcards
SQL: SELECT "last_performance" FROM "table1_19189856_1" WHERE "performer"='Leon Varkas Category:Articles with hCards';