Question: Who did an American lawyer and Democratic Party politician from Helena, Montana run against in an election in Montana that took place on November 4, 1930 ?

Context articles: Electoral history of George McGovern
United States Senate election in Montana, 1930
Montana gubernatorial election, 1980
Richard Cranwell
Montana gubernatorial election, 1996
California State Senate election, 2008
United States Senate election in Arizona, 1980
Thomas J. Walsh
Montana gubernatorial election, 1924
Montana gubernatorial election, 1916

George McGovern, a Democratic Party politician from South Dakota, was first elected to the United States House of Representatives to represent South Dakota's 1st congressional district in 1956.
 He was re-elected in 1958, before making an unsuccessful run for the United States Senate in 1960 against Republican incumbent Karl Earl Mundt.
 After serving in the John F. Kennedy administration as director of the Food for Peace program, McGovern ran again for the Senate and narrowly prevailed over appointed Senator Joseph H. Bottum.
 In 1968, McGovern unsuccessfully sought the Democratic Party's presidential nomination at the Democratic National Convention and was re-elected to the Senate over former Governor of South Dakota Archie M. Gubbrud.
 In 1972, McGovern was successful in his campaign for the Democratic presidential nomination, but lost the election in a landslide to incumbent President Richard Nixon.
 McGovern was re-elected to the Senate in 1974 over Vietnam War veteran Leo K. Thorsness, but lost re-election in 1980 to then-U.S. Representative James Abdnor.
 McGovern made a final unsuccessful run for president in United States presidential election, 1984.
The 1930 United States Senate election in Montana took place on November 4, 1930.
 Incumbent United States Senator Thomas J. Walsh, who was first elected to the Senate in 1912, and re-elected in 1918 and 1924, ran for re-election.
 He won the Democratic primary unopposed, and faced Montana Supreme Court Associate Justice Albert J. Galen, the Republican nominee, and several independent opponents in the general election.
 Ultimately, Walsh defeated his opponents in a landslide and won his fourth and final term in the Senate.
The 1980 Montana gubernatorial election took place on November 4, 1980.
 Incumbent Governor of Montana Thomas Lee Judge, who was first elected in 1972 and was re-elected in 1976, ran for re-election.
 However, he faced a stiff challenge in the Democratic primary from his lieutenant governor, Ted Schwinden, and he ultimately lost renomination.
 Schwinden, advancing to the general election, faced Jack Ramirez, the Minority Leader of the Montana House of Representatives and the Republican nominee.
 Despite the fact that Ronald Reagan, the Republican presidential nominee, won the state in a landslide that year, Schwinden managed to comfortably defeat Ramirez to win his first of two terms as governor.
Charles Richard ('Dick' or 'Dickie') Cranwell (born July 26, 1942 in Ceredo-Kenova, West Virginia) is an American lawyer and Democratic Party politician.
 He was a member of the Virginia House of Delegates 1972–2001, and was its Democratic floor leader 1991–2001.
 From 2005 to 2010, he was chairman of the Democratic Party of Virginia.
The 1996 Montana gubernatorial election took place on November 5, 1996.
 Incumbent Governor of Montana Marc Racicot, who was first elected in 1992, ran for re-election.
 After winning the Republican primary against a conservative activist, he moved on to the general election, where he was set to face Chet Blaylock, a former State Senator and the Democratic nominee.
 However, on October 23, 1996, Blaylock died of a heart attack, and the Montana Democratic Party selected his running mate, State Senator Judy Jacobson, to replace him as the gubernatorial nominee, and she therefore appeared on the ballot as both the gubernatorial nominee and the lieutenant gubernatorial nominee.
 Ultimately, however, Racicot was able to defeat Jacobson in a landslide to win re-election to his second and final term as governor.
The 2008 California State Senate elections took place on November 4, 2008.
 Voters in California's odd-numbered State Senate districts, a total of 20, voted for their state senators.
 No seats changed parties and the Democratic Party party maintained its 25-seat majority, while the Republican Party held 15 seats.
 Other elections also took place in California on November 4.
The 1980 United States Senate election in Arizona took place on November 4, 1980.
 Incumbent Republican U.S. Senator Barry Goldwater decided to run for reelection to a third consecutive term, after returning to the U.S. Senate in 1968 following his failed Presidential run in 1964 against Lyndon B. Johnson.
 Goldwater defeated Democratic Party nominee Bill Schulz in the general election, but only by a narrow margin, which later caused Goldwater to decide against running for reelection to a fourth consecutive term.
Thomas James Walsh (June 12, 1859March 2, 1933) was an American lawyer and Democratic Party politician from Helena, Montana who represented Montana in the United States Senate from 1913 to 1933.
 He had a national reputation as a liberal and was President-elect Franklin D. Roosevelt's choice as Attorney General when he died.
The 1924 Montana gubernatorial election took place on November 4, 1924.
 Incumbent Governor of Montana Joseph M. Dixon, who was first elected governor in 1920, ran for re-election.
 Dixon won a competitive Republican primary, and moved on to the general election, where he faced John E. Erickson, a former district court judge and the Democratic nominee; and Frank J. Edwards, the 1916 Republican nominee for governor and the Farmer–Labor Party nominee.
 Ultimately, Erickson managed to defeat Dixon in his bid for re-election, winning what would be the first of three terms as governor.
The 1916 Montana gubernatorial election took place on November 7, 1916.
 Incumbent Governor of Montana Sam V. Stewart, who was first elected governor in 1912, ran for re-election.
 After comfortably winning the Democratic primary, he advanced to the general election, where he faced Frank J. Edwards, the former Mayor of Helena, who narrowly emerged victorious in a close Republican primary.
 Benefitting from then-President Woodrow Wilson's landslide victory in Montana in the presidential election that year, Stewart narrowly won re-election to his second and final term as governor.