CREATE TABLE "series_1_round_summary_top_24" (
  "name_name_of_act" text,
  "age_s" text,
  "genre" text,
  "act" text,
  "hometown" text,
  "semifinal_week" real,
  "position_reached" text
);

Question: What is the total number of modern grannies performed?
SQL: SELECT COUNT("act") FROM "series_1_round_summary_top_24" WHERE "name_name_of_act"='Modern Grannies';

Question: What is the name of the performance zhu xiaoming performed?
SQL: SELECT "act" FROM "series_1_round_summary_top_24" WHERE "name_name_of_act"='Zhu Xiaoming';

Question: How many performers are 29 that made it to the semi finals?
SQL: SELECT "semifinal_week" FROM "series_1_round_summary_top_24" WHERE "age_s"='29';

Question: What is the name of the zhou jinsong's hometown?
SQL: SELECT "hometown" FROM "series_1_round_summary_top_24" WHERE "name_name_of_act"='Zhou Jinsong';