Find those themes and years for all exhibitions with ticket prices lower than 15, group by themes, count year, and the x-axis is Year.
CREATE TABLE artist (
    Artist_ID int,
    Name text,
    Country text,
    Year_Join int,
    Age int
)

CREATE TABLE exhibition (
    Exhibition_ID int,
    Year int,
    Theme text,
    Artist_ID int,
    Ticket_Price real
)

CREATE TABLE exhibition_record (
    Exhibition_ID int,
    Date text,
    Attendance int
)
SELECT Year, COUNT(Year) FROM exhibition WHERE Ticket_Price < 15 GROUP BY Theme
Below are sql tables schemas paired with instruction that describes a task. Using valid SQLite, write a response that appropriately completes the request for the provided tables. ### Instruction: Find those themes and years for all exhibitions with ticket prices lower than 15, group by themes, count year, and the x-axis is Year. ### Input: CREATE TABLE artist (
    Artist_ID int,
    Name text,
    Country text,
    Year_Join int,
    Age int
)

CREATE TABLE exhibition (
    Exhibition_ID int,
    Year int,
    Theme text,
    Artist_ID int,
    Ticket_Price real
)

CREATE TABLE exhibition_record (
    Exhibition_ID int,
    Date text,
    Attendance int
) ### Response: SELECT Year, COUNT(Year) FROM exhibition WHERE Ticket_Price < 15 GROUP BY Theme