Deploy to remix using: https://remix.ethereum.org/#version=soljson-v0.6.6+commit.6c089d02.js&optimize=false&gist=f856530b20943e92ed6cc69c1285cdfe&evmVersion=null - Alpha Vantage External Adpater on Kovan using the Linkpool node

TSLAStockDataKovan.sol

/** This example code is designed to quickly deploy an example contract using Remix.
 *  If you have never used Remix, try our example walkthrough: https://docs.chain.link/docs/example-walkthrough
 *  You will need testnet ETH and LINK.
 *     - Kovan ETH faucet: https://faucet.kovan.be/
 *     - Kovan LINK faucet: https://kovan.chain.link/
 
 */
 
pragma solidity ^0.6.0;

import "https://github.com/smartcontractkit/chainlink/evm-contracts/src/v0.6/ChainlinkClient.sol";

contract TSLAStockDataKovan is ChainlinkClient {
    address private oracle;
    bytes32 private jobId;
    uint256 private fee;
    
    uint256 public tslaPrice;
    constructor() public {
    	setPublicChainlinkToken();
    	oracle = 0x56dd6586DB0D08c6Ce7B2f2805af28616E082455; // oracle address
    	jobId = "802ec94e00184b789a016b8e71ae9fb4"; //job id
    	fee = 0.1 * 10 ** 18; // 0.1 LINK
    }
    
    /**
     * Make initial request
     */
    function requestTSLAPrice() public {
    	Chainlink.Request memory req = buildChainlinkRequest(jobId, address(this), this.fulfillEthereumPrice.selector);
    	req.add("function", "GLOBAL_QUOTE");
    	req.add("symbol", "TSLA");
    	string[] memory copyPath = new string[](2);
        copyPath[0] = "Global Quote";
        copyPath[1] = "05. price";
        req.addStringArray("copyPath", copyPath);
        req.addInt("times", 100000000);
    	sendChainlinkRequestTo(oracle, req, fee);
    }
    
    /**
     * Callback function
     */
    function fulfillEthereumPrice(bytes32 _requestId, uint256 _price) public recordChainlinkFulfillment(_requestId) {
    	tslaPrice = _price;
    }
}