What us the number of the round during which #56 Blue Thunder Racing become the GTP winning team and #38 Mandeville Auto Tech became the GTO winning team? 
CREATE TABLE table_13643320_2 (rnd VARCHAR, gtp_winning_team VARCHAR, gto_winning_team VARCHAR)
SELECT rnd FROM table_13643320_2 WHERE gtp_winning_team = "#56 Blue Thunder Racing" AND gto_winning_team = "#38 Mandeville Auto Tech"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_13643320_2 (rnd VARCHAR, gtp_winning_team VARCHAR, gto_winning_team VARCHAR) Question: What us the number of the round during which #56 Blue Thunder Racing become the GTP winning team and #38 Mandeville Auto Tech became the GTO winning team?  [/INST] SELECT rnd FROM table_13643320_2 WHERE gtp_winning_team = "#56 Blue Thunder Racing" AND gto_winning_team = "#38 Mandeville Auto Tech" </s>