text: Entering new AgentExecutor chain...    Action: list_tables_sql_db    Action Input: ""    Observation: Invoice, MediaType, Artist, InvoiceLine, Genre, Playlist, Employee, Album, PlaylistTrack, Track, Customer    Thought: I should look at the schema of the Playlist and PlaylistTrack tables to see what columns I can use.    Action: schema_sql_db    Action Input: "Playlist, PlaylistTrack"    Observation:     CREATE TABLE "Playlist" (        "PlaylistId" INTEGER NOT NULL,         "Name" NVARCHAR(120),         PRIMARY KEY ("PlaylistId")    )        SELECT * FROM 'Playlist' LIMIT 3;    PlaylistId Name    1 Music    2 Movies    3 TV Shows            CREATE TABLE "PlaylistTrack" (        "PlaylistId" INTEGER NOT NULL,         "TrackId" INTEGER NOT NULL,         PRIMARY KEY ("PlaylistId", "TrackId"),         FOREIGN KEY("TrackId") REFERENCES "Track" ("TrackId"),         FOREIGN KEY("PlaylistId") REFERENCES "Playlist" ("PlaylistId")    )        SELECT * FROM 'PlaylistTrack' LIMIT 3;    PlaylistId TrackId    1 3402    1 3389    1 3390    Thought: I can use a SELECT statement to get the total number of tracks in each playlist.    Action: query_checker_sql_db