Who is the player had the highest salary in 2015?
CREATE TABLE hall_of_fame (
    player_id text,
    yearid number,
    votedby text,
    ballots text,
    needed text,
    votes text,
    inducted text,
    category text,
    needed_note text
)

CREATE TABLE salary (
    year number,
    team_id text,
    league_id text,
    player_id text,
    salary number
)

CREATE TABLE player (
    player_id text,
    birth_year text,
    birth_month text,
    birth_day text,
    birth_country text,
    birth_state text,
    birth_city text,
    death_year text,
    death_month text,
    death_day text,
    death_country text,
    death_state text,
    death_city text,
    name_first text,
    name_last text,
    name_given text,
    weight text
)

CREATE TABLE player_award (
    player_id text,
    award_id text,
    year number,
    league_id text,
    tie text,
    notes text
)

CREATE TABLE player_award_vote (
    award_id text,
    year number,
    league_id text,
    player_id text,
    points_won number,
    points_max number,
    votes_first text
)
SELECT player_id FROM salary WHERE year = "2015" ORDER BY salary DESC LIMIT 1
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: Who is the player had the highest salary in 2015? ### Input: CREATE TABLE hall_of_fame (
    player_id text,
    yearid number,
    votedby text,
    ballots text,
    needed text,
    votes text,
    inducted text,
    category text,
    needed_note text
)

CREATE TABLE salary (
    year number,
    team_id text,
    league_id text,
    player_id text,
    salary number
)

CREATE TABLE player (
    player_id text,
    birth_year text,
    birth_month text,
    birth_day text,
    birth_country text,
    birth_state text,
    birth_city text,
    death_year text,
    death_month text,
    death_day text,
    death_country text,
    death_state text,
    death_city text,
    name_first text,
    name_last text,
    name_given text,
    weight text
)

CREATE TABLE player_award (
    player_id text,
    award_id text,
    year number,
    league_id text,
    tie text,
    notes text
)

CREATE TABLE player_award_vote (
    award_id text,
    year number,
    league_id text,
    player_id text,
    points_won number,
    points_max number,
    votes_first text
) ### Response: SELECT player_id FROM salary WHERE year = "2015" ORDER BY salary DESC LIMIT 1